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Please solve this prob :-Q1 A circular wire-loop of radius a carries a current i and is placed in perpendicular magnetic field B. Find the force of compression in the wire.My answer coming to this is i (2 pi a) B. But, correct is iaB!!Also, net force on a current carrying closed loop in a tranverse magnetic field is 0. Then, how come above a non-zero value is coming.

Jitender Pal , 10 Years ago
Grade 9
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