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A straight conductor of uniform cross se...

A straight conductor of uniform cross section carries a time varying current, which varies at the rate `di//dt = I`. If `s` is the specific charge that is carried by each charge carrier of the conductor and l is the length of the conductor, then the total force experienced by all the charge carrier per unit length of the conductor due to their drift velocities only is

A

`(q)/( ts)`

B

`((q)/( ts))^2`

C

`sqrt((q)/(ts))`

D

`qts`

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The correct Answer is:
A
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