Question

Name two device in which electromagnetic division two device where permanent magnet used

Answer 1

Electromagnets are very widely used in electric and electromechanical devices, including:

Motors and generators.

Transformers.

Relays.

Electric bells and buzzers.

Loudspeakers and headphones.

Actuators such as valves.

Magnetic recording and data storage equipment: tape recorders, VCRs, hard disks.

MRI machines.