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Electric charge q is uniformly distribut...

Electric charge `q` is uniformly distributed over a rod of length . The rod is placed parallel to a long wire carrying a current 'I' The separation between the rod and the wire is 'a'. find the force needed to move the rod along its length with a uniform velocity 'v'

A

`(mu_0iqv)/(2pia)`

B

`(mu_0qv)/(3pia^2)`

C

`(mu_0q^2v)/(2pia^2)`

D

`(mu_0ivq)/(3pia)`

Text Solution

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The correct Answer is:
A
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