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A parallel-plate capacitor is charged fr...

A parallel-plate capacitor is charged from a cell and then disconnected from the cell. The separation between the plates is now double.

A

The potential difference between the plates will become double

B

The field between the plates will not change.

C

The energy of the capacitor doubles.

D

Some work will have to be done by an external agent on the plates.

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The correct Answer is:
A, B, C, D
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