A uniformly rigid ring of radius r and unknown mass is placed on a nonconducting frictionless horizontal table where exists a

Question

A uniformly rigid ring of radius r and unknown mass is placed on a nonconducting frictionless horizontal table where exists a uniform magnetic field of induction B as shown A current I that is double of the minimum current required to flip over the ring is made to circulate in the coil Find the force of normal reaction from the tabletop on the ring immediately after the current is switched on 5 rl 6 Option 1 B 5 r IB 3 O Option 2

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