Question

how can you produce a magnetic field without using a magnet? how can you change the strength and direction of magnetic field in this device?​

Answer 1

These are the three ways due to which we can produce a magnetic field without using a magnet:-

1) A moving charge can produce magnetic field.

2) An electric conductor carrying current can produce magnetic field.

3) A coil,solenoid,toroid can also produce magnetic field.

HOPE IT HELPS YOU

PLZZ MARK IT AS A BRAINLIST