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A current of 7*0A is flowing in a plane ...

A current of `7*0A` is flowing in a plane circular coil of radius `1*0cm` having 100 turns. The coil is placed in a uniform magnetic field of `0*2Wb//m^2`. If the coil is free to rotate, what orientation would correspond to its (i) stable equilibrium and (ii) unstable equilibrium? Calculate potential energy of the coil in the two cases.

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