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A straight wire carrying a cureent i(1) ...

A straight wire carrying a cureent `i_(1)` amp runs along the axis of a circular current `i_(2)` amp. Then the force of interaction between the two current carrying conductors is

A

`oo`

B

Zero at the centre of loop

C

`(mu_(0))/(4pi)(2i_(1)i_(2))/rN//m`

D

`(2i_(1)i_(2))/r N//m`

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The correct Answer is:
B
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