A bar magnet is placed near and lying along the axis of a solenoid connected to a galvanometer. The pointer of the galvanometer shows no deflection when

• A.the magnet is moved away from the stationary solenoid
• B.the solenoid is moved away from the stationary magnet
• C.the magnet is moved towards the stationary solenoid
• D.there is no relative motion between the magnet and the solenoid