Types of Magnets

Q.

A horse shoe magnet does not have poles.

1. True

2. False

Q.

Which is more powerful between a bar magnet and a horseshoe magnet?

Q.

Artificial magnets are made in different shapes such as __________ and ____________.

Q.

What are the special advantages of horse shoe magnets

Q.

Which of the following is/are artificial magnets?

1. Bar magnet

2. Horse-shoe magnet

3. Ball ended magnet

4. Magnetite

Q.

Which type of magnet is the strongest?

Q.

An example of the natural magnet is:

1. iron

2. steel

3. lodestone

4. none of the above

Q.

What is an artificial magnet?

Q.

explain the following:

a)when two pins are hung ny their ends from the same pole of a magnet, their pointed ends fly apart.

b)several soft iron pins can be hung one below the other from the pole of the magnet, but they soon fall off when the magnet is removed.

c) the north end of a magnetic needle is attracted towards a piece of small iron placed a little distance away from it.