A coil is connected to a 1.5 V battery. Now, the battery is replaced by 3 V. The magnetic field around the coil
A increases
B decreases
C does not change
D may increase or decrease
A coil is connected to a 1.5 V battery. Now, the battery is replaced by 3 V. The magnetic field around the coil
A increases
B decreases
C does not change
D may increase or decrease