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The work done in carrying a charge q onc...

The work done in carrying a charge q once round a circle of radius r with a charge Q at the centre is

A

`(qQ)/(4piepsilon_(0)r)`

B

`(qQ)/(4piepsilon_(0))(1)/(pir)`

C

`(qQ)/(4piepsilon_(0))((1)/(2pir))`

D

0

Text Solution

Verified by Experts

The correct Answer is:
d


when a charge is moved from one point to the other over an equipotential surface , wozero.
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