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Two bar magnets are quickly moved towards a metallic loop connected across a capacitor ‘C’ as shown in the figure. Predict the polarity of the capacitor. - Physics

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प्रश्न

Two bar magnets are quickly moved towards a metallic loop connected across a capacitor ‘C’ as shown in the figure. Predict the polarity of the capacitor.

आकृति
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उत्तर

Left plate – Positive (+)

Right plate – Negative (−)

By Lenz’s law, the induced current opposes the approaching north poles, making both sides of the loop north and setting this polarity across the capacitor.

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2010-2011 (March) All India Set 3

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