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Self Induction

As shown in f...

Question

As shown in figure, a wire is bent to form a D-shaped closed loop, carrying current $I$ , where the curved part is a semi-circle of radius $R$ . The loop is placed in a uniform magnetic field $\to B$ , which is directed into the plane of the paper. The magnetic force felt by the closed loop is

A

0.0

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B

I R B

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C

2 I R B

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D

\frac{1}{2} I R B

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Solution

The correct option is A 0.0
Force on a closed loop placed in a uniform magnetic field is always zero.

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