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A square current carrying loop is sus...

A square current carrying loop is suspended in a unifrom magnetic field acting in the palne of the loop. If the force on one arm of the loop is `vec(F)`, the net force on the remaining three arms of the loop is

A

`3vecF`

B

`-vecF`

C

`-3vecF`

D

`vecF`

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The correct Answer is:
B
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