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A condutor carrying current I is placed ...

A condutor carrying current `I` is placed parallel to a current per unit width `j_(0)` and width `d`, as shown in the Find the force per unit length on the conductor
.

A

`(mu_(0)j_(0)i)/(pi) tan^(-1)((d)/(2h))(-hatk)`

B

`(mu_(0)j_(0)i)/(pi)((2h)/(d))(-hatk)`

C

`(j_(0)i)/(mu_(0)pi)tan^(-1)((2h)/(d))(-hatk)`

D

`(j_(0)i)/(mu_(0)pi)tan^(-1)((d)/(2h))(-hatk)`

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The correct Answer is:
A
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