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<title>TV FIZIK SPM - T5B4 Keelektromagnetan</title>
<link>https://tvfizik.pdpc21.com/?qa=qa/t5b4-keelektromagnetan</link>
<description>Powered by TV FIZIK SPM</description>
<item>
<title>Video Aktiviti Berkenaan Hukum Lenz</title>
<link>https://tvfizik.pdpc21.com/?qa=244/video-aktiviti-berkenaan-hukum-lenz</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/1135315732.png" width="480" height="360"/></figure>
&lt;p&gt;zzz&lt;/p&gt;</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=244/video-aktiviti-berkenaan-hukum-lenz</guid>
<pubDate>Sat, 20 Jun 2026 02:35:34 +0000</pubDate>
</item>
<item>
<title>Penerangan dari sudut Hukum Lenz</title>
<link>https://tvfizik.pdpc21.com/?qa=243/penerangan-dari-sudut-hukum-lenz</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/515225-Ashampoo_Snap_Saturday, June 20, 2026_10h26m14s.png" width="800" height="466"/></figure>
&lt;p&gt;&amp;nbsp;&lt;/p&gt;<br />
&lt;p&gt;&amp;nbsp;&lt;/p&gt;<br />
&lt;p&gt;Rujuk GPT Answer:&lt;/p&gt;<br />
&lt;p&gt;&lt;a href=&quot;<a href="https://docs.google.com/document/d/1C0IaXG91eWtB5IRXQVf-cUscF2A8vQWzSYmnaUef5uM/edit" target="_blank">https://docs.google.com/document/d/1C0IaXG91eWtB5IRXQVf-cUscF2A8vQWzSYmnaUef5uM/edit</a> rel=&quot;nofollow&quot;&gt;<a href="https://docs.google.com/document/d/1C0IaXG91eWtB5IRXQVf-cUscF2A8vQWzSYmnaUef5uM/edit" target="_blank">https://docs.google.com/document/d/1C0IaXG91eWtB5IRXQVf-cUscF2A8vQWzSYmnaUef5uM/edit</a><br />
&lt;p&gt;&amp;nbsp;&lt;/p&gt;<br />
&lt;h1&gt;Ayat yang saya selalu guna kepada murid&lt;/h1&gt;<br />
&lt;blockquote&gt;<br />
&lt;p&gt;&quot;Magnet jatuh perlahan kerana arus pusar yang terhasil dalam plat logam menghasilkan medan magnet yang menentang gerakan magnet tersebut. Medan magnet ini menghasilkan daya ke atas yang bertindak sebagai brek elektromagnet.&quot;&lt;/p&gt;<br />
&lt;/blockquote&gt;<br />
&lt;hr /&gt;<br />
&lt;h1&gt;Demonstrasi yang sangat berkesan di kelas&lt;/h1&gt;<br />
&lt;p&gt;Ambil:&lt;/p&gt;<br />
&lt;ol&gt;<br />
&lt;li&gt;Sebiji syiling RM0.20&lt;/li&gt;<br />
&lt;li&gt;Sebiji magnet neodymium yang saiz hampir sama&lt;/li&gt;<br />
&lt;/ol&gt;<br />
&lt;p&gt;Jatuhkan kedua-duanya serentak.&lt;/p&gt;<br />
&lt;p&gt;Murid akan nampak:&lt;/p&gt;<br />
&lt;ul&gt;<br />
&lt;li&gt;Syiling jatuh terus.&lt;/li&gt;<br />
&lt;li&gt;Magnet jatuh perlahan.&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;p&gt;Kemudian tanya:&lt;/p&gt;<br />
&lt;blockquote&gt;<br />
&lt;p&gt;&quot;Siapa yang memegang magnet?&quot;&lt;/p&gt;<br />
&lt;/blockquote&gt;<br />
&lt;p&gt;Jawapannya:&lt;/p&gt;<br />
&lt;blockquote&gt;<br />
&lt;p&gt;&lt;strong&gt;Medan magnet yang dihasilkan sendiri oleh arus pusar mengikut Hukum Lenz.&lt;/strong&gt;&lt;/p&gt;<br />
&lt;/blockquote&gt;<br />
&lt;p&gt;Inilah konsep paling penting yang pemeriksa SPM mahu murid faham, bukan sekadar menghafal definisi Hukum Lenz.&lt;/p&gt;</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=243/penerangan-dari-sudut-hukum-lenz</guid>
<pubDate>Sat, 20 Jun 2026 02:34:10 +0000</pubDate>
</item>
<item>
<title>Brushless Motor</title>
<link>https://tvfizik.pdpc21.com/?qa=242/brushless-motor</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/967655-Ashampoo_Snap_Saturday, June 20, 2026_10h8m36s.png" width="800" height="609"/></figure>
</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=242/brushless-motor</guid>
<pubDate>Sat, 20 Jun 2026 02:08:17 +0000</pubDate>
</item>
<item>
<title>mengurangkan kehilangan tenaga semasa proses penghantaran tenaga elektrik ke jarak yang jauh</title>
<link>https://tvfizik.pdpc21.com/?qa=238/mengurangkan-kehilangan-tenaga-semasa-penghantaran-elektrik</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/841925-Ashampoo_Snap_Thursday, June 18, 2026_7h39m4s.png" width="800" height="496"/></figure>
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/769432-mceu0smqipxay41q7884irya67u1xa0708.png" style="max-width:90%;max-height:auto" /> /&gt;&lt;/p&gt;<br />
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/607121-mceu1smqipy0mo1vy9nwf1cng0a0zs6gkq.png" style="max-width:90%;max-height:auto" /> /&gt;&lt;/p&gt;</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=238/mengurangkan-kehilangan-tenaga-semasa-penghantaran-elektrik</guid>
<pubDate>Wed, 17 Jun 2026 23:45:21 +0000</pubDate>
</item>
<item>
<title>skema jawapan lengkap Praktis Formatif 4.3mms 167</title>
<link>https://tvfizik.pdpc21.com/?qa=237/skema-jawapan-lengkap-praktis-formatif-4-3mms-167</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/400859-Ashampoo_Snap_Thursday, June 18, 2026_7h15m35s.png" width="800" height="491"/></figure>
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/184462-mceu0smqip75heln5bppi2wr66160b1k8.png" style="max-width:90%;max-height:auto" /> /&gt;&lt;/p&gt;<br />
&lt;p&gt;zzz&lt;/p&gt;<br />
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/499975-mceu1smqip89en1h7l1or1hdvrnzz7gfu.png" style="max-width:90%;max-height:auto" /> /&gt;&lt;/p&gt;<br />
&lt;p&gt;xxxx&lt;/p&gt;<br />
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/822226-mceu2smqip9auxogy8yxh0r8pc6m3vj9.png" style="max-width:90%;max-height:auto" /> /&gt;&lt;/p&gt;</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=237/skema-jawapan-lengkap-praktis-formatif-4-3mms-167</guid>
<pubDate>Wed, 17 Jun 2026 23:22:37 +0000</pubDate>
</item>
<item>
<title>[10m]Ubahsuai Dapur Aruhan Untuk Meningkatkan Suhu Pemanasan</title>
<link>https://tvfizik.pdpc21.com/?qa=235/10m-ubahsuai-dapur-aruhan-untuk-meningkatkan-suhu-pemanasan</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/907991-ashampoo_snap_thursday,-june-18,-2026_7h1m25s.png" width="800" height="379"/></figure>
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/671282-mceu0smqiojzn31aqtvmu1n22zfvx5hkt2.png" style="max-width:90%;max-height:auto" /> alt=&quot;image&quot; /&gt;&lt;/p&gt;<br />
&lt;p&gt;xxx&lt;/p&gt;<br />
&lt;h3 data-section-id=&quot;1c0vtld&quot; data-start=&quot;278&quot; data-end=&quot;298&quot;&gt;Skema Pemarkahan&lt;/h3&gt;<br />
&lt;div class=&quot;TyagGW_tableContainer&quot;&gt;<br />
&lt;div class=&quot;group TyagGW_tableWrapper flex flex-col-reverse w-fit&quot; tabindex=&quot;-1&quot;&gt;<br />
&lt;table class=&quot;w-fit min-w-(--thread-content-width)&quot; data-start=&quot;300&quot; data-end=&quot;1341&quot;&gt;<br />
&lt;thead data-start=&quot;300&quot; data-end=&quot;346&quot;&gt;<br />
&lt;tr data-start=&quot;300&quot; data-end=&quot;346&quot;&gt;<br />
&lt;th class=&quot;last:pe-10&quot; data-start=&quot;300&quot; data-end=&quot;306&quot; data-col-size=&quot;sm&quot;&gt;Bil&lt;/th&gt;<br />
&lt;th class=&quot;last:pe-10&quot; data-start=&quot;306&quot; data-end=&quot;317&quot; data-col-size=&quot;md&quot;&gt;Cadangan&lt;/th&gt;<br />
&lt;th class=&quot;last:pe-10&quot; data-start=&quot;317&quot; data-end=&quot;336&quot; data-col-size=&quot;md&quot;&gt;Penerangan Fizik&lt;/th&gt;<br />
&lt;th class=&quot;last:pe-10&quot; data-start=&quot;336&quot; data-end=&quot;346&quot; data-col-size=&quot;sm&quot;&gt;Markah&lt;/th&gt;<br />
&lt;/tr&gt;<br />
&lt;/thead&gt;<br />
&lt;tbody data-start=&quot;397&quot; data-end=&quot;1341&quot;&gt;<br />
&lt;tr data-start=&quot;397&quot; data-end=&quot;498&quot;&gt;<br />
&lt;td data-start=&quot;397&quot; data-end=&quot;401&quot; data-col-size=&quot;sm&quot;&gt;1&lt;/td&gt;<br />
&lt;td data-start=&quot;401&quot; data-end=&quot;452&quot; data-col-size=&quot;md&quot;&gt;Gunakan bekalan a.u. frekuensi yang lebih tinggi&lt;/td&gt;<br />
&lt;td data-col-size=&quot;md&quot; data-start=&quot;452&quot; data-end=&quot;493&quot;&gt;Kadar perubahan fluks magnet bertambah&lt;/td&gt;<br />
&lt;td data-col-size=&quot;sm&quot; data-start=&quot;493&quot; data-end=&quot;498&quot;&gt;1&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr data-start=&quot;499&quot; data-end=&quot;552&quot;&gt;<br />
&lt;td data-start=&quot;499&quot; data-end=&quot;503&quot; data-col-size=&quot;sm&quot;&gt;2&lt;/td&gt;<br />
&lt;td data-start=&quot;503&quot; data-end=&quot;505&quot; data-col-size=&quot;md&quot;&gt;&amp;nbsp;&lt;/td&gt;<br />
&lt;td data-start=&quot;505&quot; data-end=&quot;547&quot; data-col-size=&quot;md&quot;&gt;d.g.e. aruhan yang terhasil lebih besar&lt;/td&gt;<br />
&lt;td data-col-size=&quot;sm&quot; data-start=&quot;547&quot; data-end=&quot;552&quot;&gt;1&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr data-start=&quot;553&quot; data-end=&quot;637&quot;&gt;<br />
&lt;td data-start=&quot;553&quot; data-end=&quot;557&quot; data-col-size=&quot;sm&quot;&gt;3&lt;/td&gt;<br />
&lt;td data-start=&quot;557&quot; data-end=&quot;559&quot; data-col-size=&quot;md&quot;&gt;&amp;nbsp;&lt;/td&gt;<br />
&lt;td data-start=&quot;559&quot; data-end=&quot;632&quot; data-col-size=&quot;md&quot;&gt;Arus pusar yang terhasil lebih besar lalu lebih banyak haba dibebaskan&lt;/td&gt;<br />
&lt;td data-col-size=&quot;sm&quot; data-start=&quot;632&quot; data-end=&quot;637&quot;&gt;1&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr data-start=&quot;638&quot; data-end=&quot;733&quot;&gt;<br />
&lt;td data-start=&quot;638&quot; data-end=&quot;642&quot; data-col-size=&quot;sm&quot;&gt;4&lt;/td&gt;<br />
&lt;td data-col-size=&quot;md&quot; data-start=&quot;642&quot; data-end=&quot;680&quot;&gt;Tambahkan bilangan lilitan gegelung&lt;/td&gt;<br />
&lt;td data-col-size=&quot;md&quot; data-start=&quot;680&quot; data-end=&quot;728&quot;&gt;Medan magnet yang terhasil menjadi lebih kuat&lt;/td&gt;<br />
&lt;td data-col-size=&quot;sm&quot; data-start=&quot;728&quot; data-end=&quot;733&quot;&gt;1&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr data-start=&quot;734&quot; data-end=&quot;794&quot;&gt;<br />
&lt;td data-start=&quot;734&quot; data-end=&quot;738&quot; data-col-size=&quot;sm&quot;&gt;5&lt;/td&gt;<br />
&lt;td data-start=&quot;738&quot; data-end=&quot;740&quot; data-col-size=&quot;md&quot;&gt;&amp;nbsp;&lt;/td&gt;<br />
&lt;td data-start=&quot;740&quot; data-end=&quot;789&quot; data-col-size=&quot;md&quot;&gt;Lebih banyak fluks magnet memotong dasar kuali&lt;/td&gt;<br />
&lt;td data-col-size=&quot;sm&quot; data-start=&quot;789&quot; data-end=&quot;794&quot;&gt;1&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr data-start=&quot;795&quot; data-end=&quot;878&quot;&gt;<br />
&lt;td data-start=&quot;795&quot; data-end=&quot;799&quot; data-col-size=&quot;sm&quot;&gt;6&lt;/td&gt;<br />
&lt;td data-start=&quot;799&quot; data-end=&quot;839&quot; data-col-size=&quot;md&quot;&gt;Gunakan arus bekalan yang lebih besar&lt;/td&gt;<br />
&lt;td data-col-size=&quot;md&quot; data-start=&quot;839&quot; data-end=&quot;873&quot;&gt;Kekuatan medan magnet bertambah&lt;/td&gt;<br />
&lt;td data-col-size=&quot;sm&quot; data-start=&quot;873&quot; data-end=&quot;878&quot;&gt;1&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr data-start=&quot;879&quot; data-end=&quot;1032&quot;&gt;<br />
&lt;td data-start=&quot;879&quot; data-end=&quot;883&quot; data-col-size=&quot;sm&quot;&gt;7&lt;/td&gt;<br />
&lt;td data-start=&quot;883&quot; data-end=&quot;962&quot; data-col-size=&quot;md&quot;&gt;Gunakan kuali/periuk yang diperbuat daripada bahan feromagnet (besi, keluli)&lt;/td&gt;<br />
&lt;td data-col-size=&quot;md&quot; data-start=&quot;962&quot; data-end=&quot;1027&quot;&gt;Mudah dimagnetkan dan menghasilkan arus pusar yang lebih besar&lt;/td&gt;<br />
&lt;td data-col-size=&quot;sm&quot; data-start=&quot;1027&quot; data-end=&quot;1032&quot;&gt;1&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr data-start=&quot;1033&quot; data-end=&quot;1139&quot;&gt;<br />
&lt;td data-start=&quot;1033&quot; data-end=&quot;1037&quot; data-col-size=&quot;sm&quot;&gt;8&lt;/td&gt;<br />
&lt;td data-start=&quot;1037&quot; data-end=&quot;1076&quot; data-col-size=&quot;md&quot;&gt;Gunakan dasar kuali yang lebih tebal&lt;/td&gt;<br />
&lt;td data-col-size=&quot;md&quot; data-start=&quot;1076&quot; data-end=&quot;1134&quot;&gt;Lebih banyak tenaga haba dapat dijana dalam dasar kuali&lt;/td&gt;<br />
&lt;td data-col-size=&quot;sm&quot; data-start=&quot;1134&quot; data-end=&quot;1139&quot;&gt;1&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr data-start=&quot;1140&quot; data-end=&quot;1256&quot;&gt;<br />
&lt;td data-start=&quot;1140&quot; data-end=&quot;1144&quot; data-col-size=&quot;sm&quot;&gt;9&lt;/td&gt;<br />
&lt;td data-start=&quot;1144&quot; data-end=&quot;1194&quot; data-col-size=&quot;md&quot;&gt;Kurangkan jarak antara gegelung dan dasar kuali&lt;/td&gt;<br />
&lt;td data-col-size=&quot;md&quot; data-start=&quot;1194&quot; data-end=&quot;1251&quot;&gt;Lebih banyak fluks magnet dipautkan kepada dasar kuali&lt;/td&gt;<br />
&lt;td data-col-size=&quot;sm&quot; data-start=&quot;1251&quot; data-end=&quot;1256&quot;&gt;1&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr data-start=&quot;1257&quot; data-end=&quot;1341&quot;&gt;<br />
&lt;td data-start=&quot;1257&quot; data-end=&quot;1262&quot; data-col-size=&quot;sm&quot;&gt;10&lt;/td&gt;<br />
&lt;td data-start=&quot;1262&quot; data-end=&quot;1264&quot; data-col-size=&quot;md&quot;&gt;&amp;nbsp;&lt;/td&gt;<br />
&lt;td data-start=&quot;1264&quot; data-end=&quot;1336&quot; data-col-size=&quot;md&quot;&gt;Pemindahan tenaga kepada kuali menjadi lebih cekap dan suhu meningkat&lt;/td&gt;<br />
&lt;td data-col-size=&quot;sm&quot; data-start=&quot;1336&quot; data-end=&quot;1341&quot;&gt;1&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;/tbody&gt;<br />
&lt;/table&gt;<br />
&lt;/div&gt;<br />
&lt;/div&gt;<br />
&lt;p data-start=&quot;1343&quot; data-end=&quot;1365&quot;&gt;&lt;strong data-start=&quot;1343&quot; data-end=&quot;1365&quot;&gt;Jumlah = 10 markah&lt;/strong&gt;&lt;/p&gt;<br />
&lt;hr data-start=&quot;1367&quot; data-end=&quot;1370&quot; /&gt;<br />
&lt;h3 data-section-id=&quot;1l03hld&quot; data-start=&quot;1372&quot; data-end=&quot;1407&quot;&gt;Jawapan Model Penuh (10 markah)&lt;/h3&gt;<br />
&lt;ol data-start=&quot;1409&quot; data-end=&quot;2127&quot;&gt;<br />
&lt;li data-section-id=&quot;1oxf1wb&quot; data-start=&quot;1409&quot; data-end=&quot;1512&quot;&gt;Gunakan bekalan arus ulang-alik berfrekuensi tinggi supaya kadar perubahan fluks magnet meningkat.&lt;/li&gt;<br />
&lt;li data-section-id=&quot;wbfbpa&quot; data-start=&quot;1513&quot; data-end=&quot;1566&quot;&gt;d.g.e. aruhan yang terhasil menjadi lebih besar.&lt;/li&gt;<br />
&lt;li data-section-id=&quot;1jggxnr&quot; data-start=&quot;1567&quot; data-end=&quot;1661&quot;&gt;Arus pusar yang terhasil dalam dasar kuali bertambah lalu menghasilkan lebih banyak haba.&lt;/li&gt;<br />
&lt;li data-section-id=&quot;1yz8phs&quot; data-start=&quot;1662&quot; data-end=&quot;1786&quot;&gt;Tambahkan bilangan lilitan gegelung atau gunakan arus yang lebih besar untuk menghasilkan medan magnet yang lebih kuat.&lt;/li&gt;<br />
&lt;li data-section-id=&quot;11hysjd&quot; data-start=&quot;1787&quot; data-end=&quot;1924&quot;&gt;Gunakan kuali yang diperbuat daripada bahan feromagnet seperti besi atau keluli supaya arus pusar yang lebih besar dapat dihasilkan.&lt;/li&gt;<br />
&lt;li data-section-id=&quot;1jxxd24&quot; data-start=&quot;1925&quot; data-end=&quot;2034&quot;&gt;Kurangkan jarak antara gegelung dan dasar kuali supaya lebih banyak fluks magnet dipautkan kepada kuali.&lt;/li&gt;<br />
&lt;li data-section-id=&quot;t1ahhj&quot; data-start=&quot;2035&quot; data-end=&quot;2127&quot;&gt;Gunakan dasar kuali yang lebih tebal untuk meningkatkan penghasilan dan penyimpanan haba.&lt;/li&gt;<br />
&lt;/ol&gt;<br />
&lt;hr data-start=&quot;2129&quot; data-end=&quot;2132&quot; /&gt;<br />
&lt;h3 data-section-id=&quot;10z8hnn&quot; data-start=&quot;2134&quot; data-end=&quot;2156&quot;&gt;Nota Pemeriksa SPM&lt;/h3&gt;<br />
&lt;p data-start=&quot;2158&quot; data-end=&quot;2253&quot;&gt;Jika soalan berbentuk &lt;strong data-start=&quot;2180&quot; data-end=&quot;2224&quot;&gt;&quot;Cadangkan pengubahsuaian dan terangkan&quot;&lt;/strong&gt;, format pemarkahan biasanya:&lt;/p&gt;<br />
&lt;p data-start=&quot;2255&quot; data-end=&quot;2309&quot;&gt;&lt;strong data-start=&quot;2255&quot; data-end=&quot;2309&quot;&gt;Pengubahsuaian (1 markah) + Sebab Fizik (1 markah)&lt;/strong&gt;&lt;/p&gt;</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=235/10m-ubahsuai-dapur-aruhan-untuk-meningkatkan-suhu-pemanasan</guid>
<pubDate>Wed, 17 Jun 2026 23:06:47 +0000</pubDate>
</item>
<item>
<title>Aktiviti: Membina motor arus terus ringkas Cikgu Khairul Anwar</title>
<link>https://tvfizik.pdpc21.com/?qa=234/aktiviti-membina-motor-arus-terus-ringkas-cikgu-khairul-anwar</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/759544362.png" width="480" height="360"/></figure>
</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=234/aktiviti-membina-motor-arus-terus-ringkas-cikgu-khairul-anwar</guid>
<pubDate>Wed, 17 Jun 2026 14:30:33 +0000</pubDate>
</item>
<item>
<title>Aktiviti: Membina model penghantaran tenaga elektrik ringkas</title>
<link>https://tvfizik.pdpc21.com/?qa=233/aktiviti-membina-model-penghantaran-tenaga-elektrik-ringkas</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/1001715946.png" width="480" height="360"/></figure>
&lt;p&gt;Video lain&amp;nbsp;&lt;a href=&quot;<iframe width="90%" height="338px" src="http://www.youtube.com/embed/1it3rbeYgSk?wmode=transparent" frameborder="0" allowfullscreen></iframe><br />
&lt;p&gt;&amp;nbsp;&lt;/p&gt;</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=233/aktiviti-membina-model-penghantaran-tenaga-elektrik-ringkas</guid>
<pubDate>Wed, 17 Jun 2026 14:29:24 +0000</pubDate>
</item>
<item>
<title>Aktiviti membina transformer ringkas Cikgu Khairul Anwar</title>
<link>https://tvfizik.pdpc21.com/?qa=232/aktiviti-membina-transformer-ringkas-cikgu-khairul-anwar</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/1939907388.png" width="480" height="360"/></figure>
</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=232/aktiviti-membina-transformer-ringkas-cikgu-khairul-anwar</guid>
<pubDate>Wed, 17 Jun 2026 14:28:07 +0000</pubDate>
</item>
<item>
<title>Prinsip Kerja Transformer Cikgu Khairul Anwar</title>
<link>https://tvfizik.pdpc21.com/?qa=231/prinsip-kerja-transformer-cikgu-khairul-anwar</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/243661518.png" width="480" height="360"/></figure>
</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=231/prinsip-kerja-transformer-cikgu-khairul-anwar</guid>
<pubDate>Wed, 17 Jun 2026 14:27:18 +0000</pubDate>
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<item>
<title>[4m] Menerangkan Prinsip Kerja Motor AT</title>
<link>https://tvfizik.pdpc21.com/?qa=230/4m-menerangkan-prinsip-kerja-motor-at</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/136540-ashampoo_snap_wednesday,-june-17,-2026_21h54m40s.png" width="800" height="663"/></figure>
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/731763-mceu0smqi4xe3onqn9rv1naqytw1lc0d4s.png" style="max-width:90%;max-height:auto" /> /&gt;&lt;/p&gt;<br />
&lt;p data-start=&quot;0&quot; data-end=&quot;179&quot;&gt;Sebagai pemeriksa SPM Fizik, soalan ini biasanya menguji &lt;strong data-start=&quot;57&quot; data-end=&quot;98&quot;&gt;prinsip motor elektrik (motor effect)&lt;/strong&gt;. Untuk &lt;strong data-start=&quot;106&quot; data-end=&quot;118&quot;&gt;4 markah&lt;/strong&gt;, jawapan perlu mengandungi urutan konsep Fizik yang lengkap.&lt;/p&gt;<br />
&lt;h1 data-section-id=&quot;oddcuu&quot; data-start=&quot;181&quot; data-end=&quot;214&quot;&gt;Skema Pemarkahan SPM (4 markah)&lt;/h1&gt;<br />
&lt;h3 data-section-id=&quot;zqwyas&quot; data-start=&quot;216&quot; data-end=&quot;227&quot;&gt;Jawapan&lt;/h3&gt;<br />
&lt;ol data-start=&quot;229&quot; data-end=&quot;685&quot;&gt;<br />
&lt;li data-section-id=&quot;cmlbye&quot; data-start=&quot;229&quot; data-end=&quot;341&quot;&gt;Apabila arus elektrik mengalir melalui gegelung, medan magnet terhasil di sekeliling gegelung. &lt;strong data-start=&quot;327&quot; data-end=&quot;341&quot;&gt;[1 m]&lt;/strong&gt;&lt;/li&gt;<br />
&lt;li data-section-id=&quot;14ier01&quot; data-start=&quot;343&quot; data-end=&quot;442&quot;&gt;Medan magnet gegelung berinteraksi dengan medan magnet daripada magnet neodymium menghasilkan &lt;strong&gt;medan lastik&lt;/strong&gt;&amp;nbsp;&lt;strong data-start=&quot;428&quot; data-end=&quot;442&quot;&gt;[1 m]&lt;/strong&gt;&lt;/li&gt;<br />
&lt;li data-section-id=&quot;163mlb6&quot; data-start=&quot;444&quot; data-end=&quot;554&quot;&gt;Daya magnet bertindak ke atas konduktor yang membawa arus dalam medan magnet. &lt;strong data-start=&quot;540&quot; data-end=&quot;554&quot;&gt;[1 m]&lt;/strong&gt;&lt;/li&gt;<br />
&lt;li data-section-id=&quot;160s2pe&quot; data-start=&quot;556&quot; data-end=&quot;685&quot;&gt;Daya pada kedua-dua sisi gegelung menghasilkan &lt;strong&gt;momentum&lt;/strong&gt;&amp;nbsp;yang menyebabkan gegelung berputar secara berterusan. &lt;strong data-start=&quot;671&quot; data-end=&quot;685&quot;&gt;[1 m]&lt;/strong&gt;&lt;/li&gt;<br />
&lt;/ol&gt;<br />
&lt;p data-start=&quot;687&quot; data-end=&quot;707&quot;&gt;&lt;strong data-start=&quot;687&quot; data-end=&quot;707&quot;&gt;Jumlah: 4 markah&lt;/strong&gt;&lt;/p&gt;</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=230/4m-menerangkan-prinsip-kerja-motor-at</guid>
<pubDate>Wed, 17 Jun 2026 14:02:08 +0000</pubDate>
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<item>
<title>KBAT_10M: Ubahsuai kipas angin supaya lebih LAJU, SEJUK, SENYAP, TEKNOLOGI HIJAU???</title>
<link>https://tvfizik.pdpc21.com/?qa=229/kbat_10m-ubahsuai-kipas-angin-supaya-lebih-senyap-teknologi</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/393150-ashampoo_snap_tuesday,-june-16,-2026_10h23m36s.png" width="800" height="533"/></figure>
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/753273-mceu0smqg0qv171r0b3et18mni3jwa7amp.png" style="max-width:90%;max-height:auto" /> alt=&quot;image&quot; /&gt;&lt;/p&gt;<br />
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/58643-mceu1smqg0r5m41ofn7ro1vvv0ex9v6oex.png" style="max-width:90%;max-height:auto" /> alt=&quot;image&quot; /&gt;&lt;/p&gt;<br />
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/954383-mceu2smqg0rr131tw70xscootvc1i0gvei.png" style="max-width:90%;max-height:auto" /> alt=&quot;image&quot; /&gt;&lt;/p&gt;<br />
&lt;p&gt;&amp;nbsp;&lt;/p&gt;</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=229/kbat_10m-ubahsuai-kipas-angin-supaya-lebih-senyap-teknologi</guid>
<pubDate>Tue, 16 Jun 2026 02:25:39 +0000</pubDate>
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<item>
<title>[4m]Terangkan bagaimana kesan putaran gegelung pembawa arus dalam medan magnet dihasilkan.</title>
<link>https://tvfizik.pdpc21.com/?qa=228/terangkan-bagaimana-putaran-gegelung-pembawa-dihasilkan</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/894424-ashampoo_snap_tuesday,-june-16,-2026_9h39m14s.png" width="800" height="634"/></figure>
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/109760-mceu0smqfzavd8hnq9ov582zt45wiq9w.png" style="max-width:90%;max-height:auto" /> alt=&quot;image&quot; /&gt;&lt;/p&gt;<br />
&lt;p&gt;cc&lt;/p&gt;<br />
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/273073-mceu0smqfzdd5glbig6zb7s5ln1abjb6f.png" style="max-width:90%;max-height:auto" /> /&gt;&lt;/p&gt;<br />
&lt;p&gt;&amp;nbsp;&lt;/p&gt;</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=228/terangkan-bagaimana-putaran-gegelung-pembawa-dihasilkan</guid>
<pubDate>Tue, 16 Jun 2026 01:42:51 +0000</pubDate>
</item>
<item>
<title>Motor Berberus VS Motor Tidak Berberus (Rujuk Nota Perbandingan)</title>
<link>https://tvfizik.pdpc21.com/?qa=227/motor-berberus-motor-tidak-berberus-rujuk-nota-perbandingan</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/168391-Ashampoo_Snap_Tuesday, June 16, 2026_8h22m58s.png" width="800" height="466"/></figure>
&lt;p&gt;Video&amp;nbsp;&lt;a href=&quot;<iframe width="90%" height="338px" src="http://www.youtube.com/embed/wAtN3SEYSco?wmode=transparent" frameborder="0" allowfullscreen></iframe> rel=&quot;nofollow&quot;&gt;<iframe width="90%" height="338px" src="http://www.youtube.com/embed/wAtN3SEYSco?wmode=transparent" frameborder="0" allowfullscreen></iframe><br />
&lt;div class=&quot;relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex&quot;&gt;<br />
&lt;div class=&quot;flex flex-col text-sm&quot;&gt;<br />
&lt;div class=&quot;qMYqUG_convSearchResultHighlightRoot&quot;&gt;<br />
&lt;div class=&quot;&quot;&gt;<br />
&lt;div class=&quot;text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] <a href="./?qa=user/w-sm/main">@w-sm/main</a> <a href="./?qa=user/w-lg/main">@w-lg/main</a> px-(--thread-content-margin)&quot;&gt;<br />
&lt;div class=&quot;[--thread-content-max-width:40rem] <a href="./?qa=user/w-lg/main">@w-lg/main</a> mx-auto max-w-(--thread-content-max-width) flex-1 group/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn&quot;&gt;<br />
&lt;div class=&quot;flex max-w-full flex-col gap-4 grow&quot;&gt;<br />
&lt;div class=&quot;min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+&amp;amp;]:mt-1&quot; dir=&quot;auto&quot;&gt;<br />
&lt;div class=&quot;flex w-full flex-col gap-1 empty:hidden&quot;&gt;<br />
&lt;div class=&quot;markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling&quot;&gt;<br />
&lt;p&gt;Safuan, untuk Aktiviti 4.8 ini, murid sebenarnya diminta &lt;strong&gt;mengkaji kelebihan motor tanpa berus (Brushless Motor) berbanding motor berberus (Brushed Motor)&lt;/strong&gt;. Jawapan terbaik bukan sekadar menyenaraikan kelebihan, tetapi menerangkan &lt;strong&gt;mengapa&lt;/strong&gt; kelebihan itu berlaku dari sudut Fizik.&lt;/p&gt;<br />
&lt;h1&gt;Laporan Aktiviti 4.8&lt;/h1&gt;<br />
&lt;h2&gt;Tajuk&lt;/h2&gt;<br />
&lt;p&gt;Perbandingan antara motor tanpa berus dan motor berberus&lt;/p&gt;<br />
&lt;h2&gt;Objektif&lt;/h2&gt;<br />
&lt;p&gt;Mengkaji dan melaporkan kelebihan motor tanpa berus berbanding motor berberus.&lt;/p&gt;<br />
&lt;hr /&gt;<br />
&lt;h1&gt;Prinsip Kerja Motor Berberus&lt;/h1&gt;<br />
&lt;p&gt;Motor berberus menggunakan:&lt;/p&gt;<br />
&lt;ul&gt;<br />
&lt;li&gt;Berus karbon (carbon brush)&lt;/li&gt;<br />
&lt;li&gt;Komutator (commutator)&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;p&gt;Berus karbon bersentuhan dengan komutator untuk membekalkan arus elektrik kepada gegelung yang berputar.&lt;/p&gt;<br />
&lt;h3&gt;Kelemahan&lt;/h3&gt;<br />
&lt;ul&gt;<br />
&lt;li&gt;Berlaku geseran antara berus dan komutator.&lt;/li&gt;<br />
&lt;li&gt;Menghasilkan haba.&lt;/li&gt;<br />
&lt;li&gt;Menghasilkan percikan api.&lt;/li&gt;<br />
&lt;li&gt;Berus cepat haus.&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;hr /&gt;<br />
&lt;h1&gt;Prinsip Kerja Motor Tanpa Berus&lt;/h1&gt;<br />
&lt;p&gt;Motor tanpa berus tidak menggunakan berus karbon dan komutator.&lt;/p&gt;<br />
&lt;p&gt;Sebaliknya:&lt;/p&gt;<br />
&lt;ul&gt;<br />
&lt;li&gt;Magnet kekal berada pada rotor.&lt;/li&gt;<br />
&lt;li&gt;Gegelung berada pada stator.&lt;/li&gt;<br />
&lt;li&gt;Arus dikawal oleh litar elektronik (Electronic Speed Controller, ESC).&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;p&gt;Tiada sentuhan fizikal antara bahagian yang membekalkan arus.&lt;/p&gt;<br />
&lt;hr /&gt;<br />
&lt;h1&gt;Perbandingan Motor Tanpa Berus dan Motor Berberus&lt;/h1&gt;<br />
&lt;div class=&quot;TyagGW_tableContainer&quot;&gt;<br />
&lt;div class=&quot;group TyagGW_tableWrapper flex flex-col-reverse w-fit&quot;&gt;<br />
&lt;table class=&quot;w-fit min-w-(--thread-content-width)&quot;&gt;<br />
&lt;thead&gt;<br />
&lt;tr&gt;<br />
&lt;th class=&quot;last:pe-10&quot;&gt;Aspek&lt;/th&gt;<br />
&lt;th class=&quot;last:pe-10&quot;&gt;Motor Berberus&lt;/th&gt;<br />
&lt;th class=&quot;last:pe-10&quot;&gt;Motor Tanpa Berus&lt;/th&gt;<br />
&lt;/tr&gt;<br />
&lt;/thead&gt;<br />
&lt;tbody&gt;<br />
&lt;tr&gt;<br />
&lt;td&gt;Berus karbon&lt;/td&gt;<br />
&lt;td&gt;Ada&lt;/td&gt;<br />
&lt;td&gt;Tiada&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr&gt;<br />
&lt;td&gt;Geseran&lt;/td&gt;<br />
&lt;td&gt;Tinggi&lt;/td&gt;<br />
&lt;td&gt;Sangat rendah&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr&gt;<br />
&lt;td&gt;Kecekapan&lt;/td&gt;<br />
&lt;td&gt;Lebih rendah&lt;/td&gt;<br />
&lt;td&gt;Lebih tinggi&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr&gt;<br />
&lt;td&gt;Penghasilan haba&lt;/td&gt;<br />
&lt;td&gt;Banyak&lt;/td&gt;<br />
&lt;td&gt;Kurang&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr&gt;<br />
&lt;td&gt;Bunyi&lt;/td&gt;<br />
&lt;td&gt;Lebih bising&lt;/td&gt;<br />
&lt;td&gt;Lebih senyap&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr&gt;<br />
&lt;td&gt;Jangka hayat&lt;/td&gt;<br />
&lt;td&gt;Lebih pendek&lt;/td&gt;<br />
&lt;td&gt;Lebih panjang&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr&gt;<br />
&lt;td&gt;Penyelenggaraan&lt;/td&gt;<br />
&lt;td&gt;Kerap&lt;/td&gt;<br />
&lt;td&gt;Minimum&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr&gt;<br />
&lt;td&gt;Kelajuan putaran&lt;/td&gt;<br />
&lt;td&gt;Terhad&lt;/td&gt;<br />
&lt;td&gt;Lebih tinggi&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;tr&gt;<br />
&lt;td&gt;Penggunaan tenaga&lt;/td&gt;<br />
&lt;/tr&gt;<br />
&lt;/tbody&gt;<br />
&lt;/table&gt;<br />
&lt;/div&gt;<br />
&lt;/div&gt;<br />
&lt;/div&gt;<br />
&lt;/div&gt;<br />
&lt;/div&gt;<br />
&lt;/div&gt;<br />
&lt;/div&gt;<br />
&lt;/div&gt;<br />
&lt;/div&gt;<br />
&lt;/div&gt;<br />
&lt;/div&gt;<br />
&lt;/div&gt;</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=227/motor-berberus-motor-tidak-berberus-rujuk-nota-perbandingan</guid>
<pubDate>Tue, 16 Jun 2026 00:22:40 +0000</pubDate>
</item>
<item>
<title>Hukum Genggaman Tangan Kanan</title>
<link>https://tvfizik.pdpc21.com/?qa=226/hukum-genggaman-tangan-kanan</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/800541-ashampoo_snap_tuesday,-june-9,-2026_10h31m0s.png" width="800" height="720"/></figure>
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/725287-mceu0smq60xh1eh7zqe61ewv6wp3msal7.png" style="max-width:90%;max-height:auto" /> /&gt;&lt;/p&gt;<br />
&lt;p&gt;ss&lt;/p&gt;<br />
&lt;p&gt;&lt;img src=&quot;<img src="https://tvfizik.pdpc21.com/king-include/uploads/2026/06/788597-mceu1smq60xom61ybrl11nuaqisigmt5q.png" style="max-width:90%;max-height:auto" /> /&gt;&lt;/p&gt;</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=226/hukum-genggaman-tangan-kanan</guid>
<pubDate>Tue, 09 Jun 2026 02:32:03 +0000</pubDate>
</item>
<item>
<title>Hukum Tangan Kanan Flemming</title>
<link>https://tvfizik.pdpc21.com/?qa=163/hukum-tangan-kanan-flemming</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2025/12/1985253849.png" width="480" height="360"/></figure>
</description>
<category>T5B4 Keelektromagnetan</category>
<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=163/hukum-tangan-kanan-flemming</guid>
<pubDate>Tue, 02 Dec 2025 00:22:06 +0000</pubDate>
</item>
<item>
<title>Motor Homopolar DIY</title>
<link>https://tvfizik.pdpc21.com/?qa=53/motor-homopolar-diy</link>
<description>
<figure><img src="https://tvfizik.pdpc21.com/king-include/uploads/2025/07/1210923218.png" width="480" height="360"/></figure>
&lt;div&gt;<br />
&lt;div class=&quot;flex h-svh w-screen flex-col&quot;&gt;<br />
&lt;div class=&quot;relative z-0 flex min-h-0 w-full flex-1&quot;&gt;<br />
&lt;div class=&quot;relative flex min-h-0 w-full min-w-0 flex-1&quot;&gt;<br />
&lt;div class=&quot;<a href="./?qa=user/container/main">@container/main</a> relative flex min-w-0 flex-1 flex-col -translate-y-[calc(env(safe-area-inset-bottom,0px)/2)] pt-[calc(env(safe-area-inset-bottom,0px)/2)]&quot;&gt;<br />
&lt;div class=&quot;<a href="./?qa=user/w-sm/main">@w-sm/main</a> touch:[scrollbar-width:none] group/scroll-root relative flex min-h-0 min-w-0 flex-1 flex-col [scrollbar-gutter:stable] not-print:overflow-x-clip not-print:overflow-y-auto group-data-stream-active/scroll-root:[overflow-anchor:none] not-print:data-expanded-composer:overflow-y-hidden! scroll-pt-(--header-height) [--sticky-padding-top:var(--header-height)] [--sticky-padding-bottom:0px] [--scroll-root-safe-area-inset-top:calc(var(--sticky-padding-top)+env(safe-area-inset-top,0px))] [--scroll-root-safe-area-inset-bottom:calc(var(--sticky-padding-bottom)+var(--screen-keyboard-height,0px)+env(safe-area-inset-bottom,0px))] [--scroll-root-safe-area-height:calc(100lvh-var(--scroll-root-safe-area-inset-top)-var(--scroll-root-safe-area-inset-bottom))] has-data-[fixed-header=less-than-md]:md:scroll-pt-0 has-data-[fixed-header=less-than-md]:md:[--sticky-padding-top:0px] has-data-[fixed-header=less-than-xl]:<a href="./?qa=user/w-xl/main">@w-xl/main</a> has-data-[fixed-header=less-than-xl]:<a href="./?qa=user/w-xl/main">@w-xl/main</a> has-data-[fixed-header=less-than-xxl]:<a href="./?qa=user/w-2xl/main">@w-2xl/main</a> has-data-[fixed-header=less-than-xxl]:<a href="./?qa=user/w-2xl/main">@w-2xl/main</a> data-scroll-root=&quot;&quot; data-scroll-from-top=&quot;&quot;&gt;<br />
&lt;div class=&quot;contents&quot;&gt;<br />
&lt;div id=&quot;thread&quot; class=&quot;group/thread flex flex-col min-h-full&quot;&gt;<br />
&lt;div class=&quot;composer-parent flex flex-1 flex-col focus-visible:outline-0&quot;&gt;<br />
&lt;div class=&quot;relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex&quot; data-voice-floating-orb-focus-background=&quot;&quot;&gt;<br />
&lt;div class=&quot;flex flex-col text-sm&quot;&gt;<br />
&lt;div class=&quot;qMYqUG_convSearchResultHighlightRoot&quot;&gt;<br />
&lt;div class=&quot;&quot; data-turn-id-container=&quot;request-WEB:ccd08a0d-0a3f-4dbf-8e28-86f870f588a7-4&quot; data-is-intersecting=&quot;true&quot;&gt;<br />
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&lt;h1 data-section-id=&quot;j8p52a&quot; data-start=&quot;2580&quot; data-end=&quot;2613&quot;&gt;Penambahbaikan Yang Dicadangkan&lt;/h1&gt;<br />
&lt;h2 data-section-id=&quot;bbj8uv&quot; data-start=&quot;2615&quot; data-end=&quot;2650&quot;&gt;1. Menggunakan Magnet Lebih Kuat&lt;/h2&gt;<br />
&lt;p data-start=&quot;2652&quot; data-end=&quot;2658&quot;&gt;Sebab:&lt;/p&gt;<br />
&lt;ul data-start=&quot;2659&quot; data-end=&quot;2712&quot;&gt;<br />
&lt;li data-section-id=&quot;1m59xbm&quot; data-start=&quot;2659&quot; data-end=&quot;2688&quot;&gt;Medan magnet bertambah kuat&lt;/li&gt;<br />
&lt;li data-section-id=&quot;1e1zzbt&quot; data-start=&quot;2689&quot; data-end=&quot;2712&quot;&gt;Daya magnet meningkat&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;p data-start=&quot;2714&quot; data-end=&quot;2720&quot;&gt;Kesan:&lt;/p&gt;<br />
&lt;ul data-start=&quot;2721&quot; data-end=&quot;2741&quot;&gt;<br />
&lt;li data-section-id=&quot;s9hhjx&quot; data-start=&quot;2721&quot; data-end=&quot;2741&quot;&gt;Putaran lebih laju&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;hr data-start=&quot;2743&quot; data-end=&quot;2746&quot; /&gt;<br />
&lt;h2 data-section-id=&quot;17cse0c&quot; data-start=&quot;2748&quot; data-end=&quot;2784&quot;&gt;2. Menggunakan Dawai Lebih Ringan&lt;/h2&gt;<br />
&lt;p data-start=&quot;2786&quot; data-end=&quot;2792&quot;&gt;Sebab:&lt;/p&gt;<br />
&lt;ul data-start=&quot;2793&quot; data-end=&quot;2812&quot;&gt;<br />
&lt;li data-section-id=&quot;17wchw2&quot; data-start=&quot;2793&quot; data-end=&quot;2812&quot;&gt;Inersia berkurang&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;p data-start=&quot;2814&quot; data-end=&quot;2820&quot;&gt;Kesan:&lt;/p&gt;<br />
&lt;ul data-start=&quot;2821&quot; data-end=&quot;2838&quot;&gt;<br />
&lt;li data-section-id=&quot;9ljev2&quot; data-start=&quot;2821&quot; data-end=&quot;2838&quot;&gt;Mudah berpusing&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;hr data-start=&quot;2840&quot; data-end=&quot;2843&quot; /&gt;<br />
&lt;h2 data-section-id=&quot;1odcy63&quot; data-start=&quot;2845&quot; data-end=&quot;2871&quot;&gt;3. Mengurangkan Geseran&lt;/h2&gt;<br />
&lt;p data-start=&quot;2873&quot; data-end=&quot;2879&quot;&gt;Sebab:&lt;/p&gt;<br />
&lt;ul data-start=&quot;2880&quot; data-end=&quot;2906&quot;&gt;<br />
&lt;li data-section-id=&quot;1t1uweo&quot; data-start=&quot;2880&quot; data-end=&quot;2906&quot;&gt;Kurang kehilangan tenaga&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;p data-start=&quot;2908&quot; data-end=&quot;2914&quot;&gt;Kesan:&lt;/p&gt;<br />
&lt;ul data-start=&quot;2915&quot; data-end=&quot;2937&quot;&gt;<br />
&lt;li data-section-id=&quot;mkath8&quot; data-start=&quot;2915&quot; data-end=&quot;2937&quot;&gt;Putaran lebih lancar&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;hr data-start=&quot;2939&quot; data-end=&quot;2942&quot; /&gt;<br />
&lt;h2 data-section-id=&quot;1l9uv3m&quot; data-start=&quot;2944&quot; data-end=&quot;2979&quot;&gt;4. Memastikan Rekabentuk Simetri&lt;/h2&gt;<br />
&lt;p data-start=&quot;2981&quot; data-end=&quot;2987&quot;&gt;Sebab:&lt;/p&gt;<br />
&lt;ul data-start=&quot;2988&quot; data-end=&quot;3012&quot;&gt;<br />
&lt;li data-section-id=&quot;1jtenj9&quot; data-start=&quot;2988&quot; data-end=&quot;3012&quot;&gt;Pusat graviti seimbang&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;p data-start=&quot;3014&quot; data-end=&quot;3020&quot;&gt;Kesan:&lt;/p&gt;<br />
&lt;ul data-start=&quot;3021&quot; data-end=&quot;3041&quot;&gt;<br />
&lt;li data-section-id=&quot;ur732g&quot; data-start=&quot;3021&quot; data-end=&quot;3041&quot;&gt;Motor lebih stabil&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;hr data-start=&quot;3043&quot; data-end=&quot;3046&quot; /&gt;<br />
&lt;h2 data-section-id=&quot;f7zmuz&quot; data-start=&quot;3048&quot; data-end=&quot;3094&quot;&gt;5. Menggunakan Sambungan Elektrik Yang Baik&lt;/h2&gt;<br />
&lt;p data-start=&quot;3096&quot; data-end=&quot;3102&quot;&gt;Sebab:&lt;/p&gt;<br />
&lt;ul data-start=&quot;3103&quot; data-end=&quot;3127&quot;&gt;<br />
&lt;li data-section-id=&quot;1rbpsz4&quot; data-start=&quot;3103&quot; data-end=&quot;3127&quot;&gt;Rintangan lebih rendah&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;p data-start=&quot;3129&quot; data-end=&quot;3135&quot;&gt;Kesan:&lt;/p&gt;<br />
&lt;ul data-start=&quot;3136&quot; data-end=&quot;3163&quot;&gt;<br />
&lt;li data-section-id=&quot;sq0807&quot; data-start=&quot;3136&quot; data-end=&quot;3163&quot;&gt;Arus lebih besar mengalir&lt;/li&gt;<br />
&lt;/ul&gt;<br />
&lt;hr data-start=&quot;3165&quot; data-end=&quot;3168&quot; /&gt;<br />
&lt;h1 data-section-id=&quot;1cw6tb2&quot; data-start=&quot;3170&quot; data-end=&quot;3225&quot;&gt;Cara Membina Motor Yang Lebih Cekap Dengan Kos Rendah&lt;/h1&gt;<br />
&lt;ol data-start=&quot;3227&quot; data-end=&quot;3470&quot;&gt;<br />
&lt;li data-section-id=&quot;1eqfls&quot; data-start=&quot;3227&quot; data-end=&quot;3267&quot;&gt;Gunakan satu magnet neodimium cakera.&lt;/li&gt;<br />
&lt;li data-section-id=&quot;23o40y&quot; data-start=&quot;3268&quot; data-end=&quot;3302&quot;&gt;Gunakan dawai kuprum SWG 20&amp;ndash;22.&lt;/li&gt;<br />
&lt;li data-section-id=&quot;12i6elt&quot; data-start=&quot;3303&quot; data-end=&quot;3337&quot;&gt;Bentukkan dawai secara simetri.&lt;/li&gt;<br />
&lt;li data-section-id=&quot;1h9zopv&quot; data-start=&quot;3338&quot; data-end=&quot;3387&quot;&gt;Kurangkan panjang dawai yang tidak diperlukan.&lt;/li&gt;<br />
&lt;li data-section-id=&quot;mm21b0&quot; data-start=&quot;3388&quot; data-end=&quot;3441&quot;&gt;Pastikan sentuhan dawai dengan magnet adalah baik.&lt;/li&gt;<br />
&lt;li data-section-id=&quot;1tluqy6&quot; data-start=&quot;3442&quot; data-end=&quot;3470&quot;&gt;Gunakan bateri AA baharu.&lt;/li&gt;<br />
&lt;/ol&gt;<br />
&lt;hr data-start=&quot;3472&quot; data-end=&quot;3475&quot; /&gt;<br />
&lt;h1 data-section-id=&quot;1n19aex&quot; data-start=&quot;3477&quot; data-end=&quot;3489&quot;&gt;Kesimpulan&lt;/h1&gt;<br />
&lt;p data-start=&quot;3491&quot; data-end=&quot;3852&quot;&gt;Motor homopolar berfungsi berdasarkan kesan motor, iaitu daya yang bertindak ke atas konduktor berarus dalam medan magnet. Kecekapan motor boleh ditingkatkan dengan menggunakan magnet yang lebih kuat, dawai yang ringan dan reka bentuk yang seimbang. Walaupun sangat ringkas dan murah, motor homopolar membuktikan prinsip asas operasi semua motor elektrik moden.&lt;/p&gt;<br />
&lt;hr data-start=&quot;3854&quot; data-end</description>
<category>T5B4 Keelektromagnetan</category>
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<pubDate>Tue, 22 Jul 2025 02:42:27 +0000</pubDate>
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<item>
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<guid isPermaLink="true">https://tvfizik.pdpc21.com/?qa=48/aktiviti-memerhatikan-kesan-konduktor-pembawa-dalam-magnet</guid>
<pubDate>Sun, 20 Jul 2025 13:20:21 +0000</pubDate>
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<pubDate>Tue, 01 Jul 2025 02:35:02 +0000</pubDate>
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