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Four equal charges q each are placed at ...

Four equal charges q each are placed at four corners of a square of a square of side a each. Work done incarrying a charge -q from its centre to infinity is

A

zero

B

`(sqrt(2)Q^(2))/(4piin_(o)a)`

C

`(sqrt(2)Q^(2))/(piin_(o)a)`

D

`(Q^(2))/(2piin_(o)a)`

Text Solution

Verified by Experts

The correct Answer is:
C
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