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A linear conductor with current I(1) is ...

A linear conductor with current `I_(1)` is placed along the axis of a circular conductor, which caries current `I_(2)`. The magnetic force acting on each of the conductor is :

A

Zero

B

directly proportional to product of current `I_(1) and I_(2)` and inversely proportional to radius of circular conductor.

C

directly proportional to product of current `I_(1) and I_(2)`, inversely proportional to square of radius of circular conductor.

D

directly proportional to product of current `I_(1)`, and area of a circular conductor.

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The correct Answer is:
A
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