ElectroMagnetic InductionHard
Question
A neutral metallic ring is placed in a circular symmetrical uniform magnetic field with its plane perpendicular to the field. If the magnitude of field starts increasing with time, then:
Options
A. the ring starts translating
B.the ring starts rotating about its axis
C.the ring starts rotating about a diameter
D.the ring slightly contracts
Solution
As soon as the field changes, there will be an induced current in the ring.
contracts 
contracts
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