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A conducting circular loop of radius r c...

A conducting circular loop of radius r carries a constant current l. It is placed in a ukniform magnetic field `vecB` such that `vecB` is perpendicular to the place of the loop. The magnetic force acting on the loop is

A

Blr

B

2piIB

C

Zero

D

piLB

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UNITED BOOK HOUSE-QUESTION PAPER 2016-EXERCISE
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