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Partially Filled Dielectrics

A parallel-pl...

Question

A parallel-plate capacitor is connected across a battery. Now, keeping the battery connected, a dielectric slab is inserted between the plates. In this process,

A

no work is done

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B

work is done by the battery and the stored energy increases

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C

work is done by the external agent and the stored energy decreases

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D

work is done by the battery as well as external agent but the stored energy does not change

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Solution

The correct option is B work is done by the battery and the stored energy increases
Work is done by the battery and the stored energy increases.

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Partially Filled Dielectrics

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