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Two thin long paralel wires separated by...

Two thin long paralel wires separated by a distance b are carrying a current 1 A each. The magnitude of the force per unit length exerted by one wire on the other is

A

`(mu_(0)I^(2))/(b^(2))`

B

`(mu_(0)I^(2))/(2pi b)`

C

`(mu_(0)I)/(2pi b)`

D

`(mu_(0)I)/(2pi b^(2))`

Text Solution

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The correct Answer is:
B
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