Question

Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet.

Answer 1

Find the procedure:

We can prepare a magnetic compass with the help of the following procedure

1. Place a needle on a wooden table
2. Rub a magnet to traverse the length of the needle without lifting the needle
3. After we reach the endpoint of the needle, lift the magnet and again rub it in the same direction
4. Now place the needle on the cork in a vessel containing water
5. The needle will shift and align itself in the North-South direction.

Hence, with the following procedure, we can prepare a magnetic compass