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A conducting circular loop of radius r carries a constant current i. It is placed in a uniform magnetic field`vecB` such that vecB is perpendicular to the plane of the loop. What is the torque acting on the loop?

A

`irvecB`

B

`2 pi ivecB`

C

Zero

D

`pi ivecB`

Text Solution

Verified by Experts

The correct Answer is:
C
As field is uniform, then net force is zero.
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