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Question

Two insulated rings, one of slightly smaller diameter than the other are suspended along their common diameter as shown. Initially the planes of the rings are mutually perpendicular. When a steady current is set up in each of them





A
The two rings rotate into a common plane
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B
The inner ring oscillates about its initial position
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C
The inner ring stays stationary while the outer one moves into the plane of the inner ring
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D
The outer ring stays stationary while the inner one moves into the plane of the outer ring
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