Question

The capacitance of a capacitor is . The potential difference on it is . If the distance between its plate is halved, What will be the potential difference now?

A

B

C

D

Hard

Solution

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Correct option is C)

Given,

If the distance between the plate is halved.


Since energy is not dissipated, it remain constant.
The surface charge density will remain constant.
[ is also constant]



This shows that V will also get halved.

Solve any question of Electrostatic Potential and Capacitance with:-

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