Question

Identical charges -q each are placed at 8 corners of a cube of each side b. Electrostatic potential energy of a charge +q which is placed at the centre of cube will be :

A

B

C

D

Hard

Solution

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Correct option is C)

Here, and
Thus distance of each charge from centre is
Potential energy at the centre is

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Video Explanation

Solution To Question ID 203900
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