Question

State three differences between the temporary and permanent magnets.

Answer 1

Temporary magnet

1. It is made up of soft iron.

2. The magnet which loses its magnetism as soon as magnetising force is removed away from it.

3. Because of its weak power, it is not used to make iron piece into magnet.

Permanent magnets

1. It is made up of steel, cobalt and nickel.

2. The magnet, which does not lose its magnetic properties easily is called permanent magnet.

3. It can convert ordinary piece of iron into a temporary magnet.