Question

define electromagnet and its purpose​

Answer 1

Answer:

An electromagnet is a temporary strong magnet made from a piece of soft iron when current flows in the coil wound around it .

it's uses are:-

powerful electromagnet are used for cranes purpose.

Bullet train used the electromagnetism.

They are used in telephone and telegrams.

Hope This WiLL Help U

Answer 2

Electromagnet - A device consisting of a coil of insulated wire wrapped around an iron core that becomes magnetized when an electric current flows through the wire

The Advantages are:

• It is used to convert electrical control signals into mechanical movement.

Hope it will help you.