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Four equal charges Q are placed at the f...

Four equal charges `Q` are placed at the four corners of a square of each side is 'a'. Work done in removing a charge `-Q` from its centre to infinity is

A

0

B

`(sqrt(2)Q^(2))/(4pi epsilon_(0)a)`

C

`(sqrt(2) Q^(2))/( pi epsilon_(0)a)`

D

`(Q^(2))/( 2pi epsilon_(0)a)`

Text Solution

Verified by Experts

The correct Answer is:
C
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