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+1 vote
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in Physics by (71.4k points)

Two concentric circular coils of radii R and r(<< R) carry currents of I1 and I2 respectively. When the smaller coil, of mass m, is rotated slightly about one of its diameter, it starts oscillating. If T is the period of oscillation, then

1 Answer

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by (70.7k points)
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Best answer

Correct option: (a,b,d)

Explanation: 

and is independent of r. so, (A), (B) and (D) are correct

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