A coil of insulated copper wire connected to a galvanometer. What will happen if a bar magnet is (i) pushed into the coil (ii) withdrawn from inside the coil (iii) held stationary inside the coil.

A coil of insulated copper wire connected to a galvanometer. What will

1.	A coil of insulated copper wire connected to a galvanometer. What will happen if a bar magnet is (i) pushed into the coil (ii) withdrawn from inside the coil (iii) held stationary inside the coil.
Answer» Solution : i) An electric CURRENT is INDUCED in the COIL and the galvanometer shows a deflection. ii) An electric current is induced in the coil but in opposite direction. The galvanometer shows a deflection but in REVERSE direction. III) No current is induced in the coil. The galvanometer shows no deflection.