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As shown in the figure. a wire is bent t...

As shown in the figure. a wire is bent to form a 1 - 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 ` vec(B)` . which is directed into the plane of the paper . The magnetic force felt by the closed loop is

A

0

B

IRB

C

2IRB

D

`(1)/(2)IRB`

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