A coil is connected to a 1.5 V battery. Now, the battery is replaced by a 3 V battery. 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 a 3 V battery. The magnetic
field around the coil
A Increases
B Decreases
C Does not change
D May increase or decrease