Question

(a) What is a magnet?

(b) What are two kinds of magnets?

(c) Define each kind of magnet stated by you in (b)

Answer 1

(a)

Magnet: A piece of iron, steel, etc, that can attract and pick up other metal objects is called a Magnet.

(b)

There are the following types of magnets

1. Permanent magnet
2. Temporary magnet
3. Electromagnets

(C)

1. Permanent Magnet: These magnets do not lose their magnetic property once they are magnetized.
2. Temporary magnet: These magnets can be magnetized in the presence of a magnetic field. once the magnetic field is removed they lose their property.
3. Electromagnets: These consist of a coil of wire wound on a metal core made of iron. once the current is supplied then a magnetic field is generated around the wire.