A magnet NS is suspended from a spring and while it oscillates, the magnet moves in and out of the coil C. The coil is connected to a galvanometer G. Then as the magnet oscillates,

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G shows deflection to the left and right with constant amplitude

G shows deflection on one side

G shows no deflection.

G shows deflection to the left and right but the amplitude steadily decreases.

answer is D.

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Detailed Solution

For a closed loop, due to change in magnetic flux induced emf and current are developed. Gradually, amplitude decreases.

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