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