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A circle has been drawn round a point po...

A circle has been drawn round a point positive charge `(+q)` on its centre. The work done in taking a unit positive charge once round it is

A

1J

B

`2 pi q J`

C

`q J`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D
Electric field is conservative. So the work done in carrying a charge on a closed path is zero.
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