Question

what is an electromagnet? write it's uses. give in short​

Answer 1

Answer:

An electromagnet is a kind of magnet where the magnetic field is created by an electric current. The magnetic strength of an electromagnet can be easily altered by varying the amount of electric current and its polarity can be changed by varying the direction of the electric current. ...

Answer 2

Answer:

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire wound into a coil. A current through the wire creates a magnetic field which is concentrated in the hole, denoting the centre of the coil.

uses of electromagnet:-

1.Motors and generators.

2.Transformers.

3.Pickups.

4.Relays.

5.Electric bells and buzzers