Q.

A circular coil of 20 turns and radius 10cm is placed in a uniform magnetic field of 0.1T normal to the plane of the coil. If a current of 5A passes through the coil, then the torque on the coil is

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answer is 0.

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Detailed Solution

τ=BIAN sinθ her,  θ=0. So, τ=0

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