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Two small spheres, each carrying a charg...

Two small spheres, each carrying a charge q are placed r m apart and they interact with force F. If one of the sphere is taken around the other once in a circular path, the work done will be equal to

A

Force between them `xx` r

B

Force between them `xx 2pi r`

C

Force between them `//2pir`

D

Zero

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The correct Answer is:
D
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ERRORLESS -ELECTROSTATICS -Ordinary Thinking Objective Questions (Electric Field and Potential)
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