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A current carrying wire PQ is placed...

A current carrying wire PQ is placed near an another long current carrying wire RS . If free to moves , wire will be have

A

rotational motion only

B

translational motion only

C

rotational as well as translational motion

D

neither rotatioanl nor translational motion.

Text Solution

Verified by Experts

The correct Answer is:
C
Since the magnetic field, due to current through wire CD at various locations on wire AB is not uniform, therefore, the wire AB, carrying current `I_(1)` is subjected to variable magnetic field due to which, neither the forece nor the torque on the wire AB will be zero. As a result of which the wire AB will have both translational and rotational motions.
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