A coil of insulated copper wire is connected to galvanometer. What would happen if a bar magnet is (i) pushed into the coil? (ii) withdrawn from inside the coil? (iii) held stationary inside the coil?
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(i) The needle of the galvanometer shows a momentary deflection in a particular direction. (ii) The needle of the galvanometer shows a momentarily in the opposite direction. (iii) The needle of the galvanometer shows no deflection.
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