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The work done in carrying a charge 'q' o...

The work done in carrying a charge 'q' once round a circle of radius 'r' carrying a charge 'Q' at the center is -------

A

`(qQ)/(4pi epsilon_0 r`

B

`(qQ)/(4pi epsilon_0 r^3`

C

Zero

D

None of these

Text Solution

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The correct Answer is:
C
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