What is electromagnetism and how do you make an electromagnet?

What is an electromagnet ?

An electromagnet is used in :

Electromagnetic induction

An electromagnet is made using

Electromagnetic waves are

With the help of a diagram, describe how you would make an electromagnet.

What is an electromagnet? How is it different from a permanent magnet? State two uses of electromagnet.

The phenomenon of polarisation of electromagnetic wave proves that the electromagnetic waves are

Name the material of an electromagnet.

Electromagnets are made up of: