Two copper cubes A and B, composed of identical insulated plates, are suspended from strings in between the pole pieces of an electromagnet. Both cubes are rotating at the same angular velocity when the electric magnet is energise on switching on the electromagnet. The cube that will come to rest later is
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Verified by ExpertsThe correct answer is:
A
In cube A the surface perpendicular to magnetic field is laminated, so eddy currents are less in A
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