Question

3.
Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet.​

Answer 1

Answer:

Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet. Magnetize the needle and set it in a way that it may rotate freely when suspended. Boojho kept a magnet close to an ordinary iron bar. He observed that the iron bar attracts a pin as shown in Fig.

Answer 2

Answer:

Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet. Magnetize the needle and set it in a way that it may rotate freely when suspended. Boojho kept a magnet close to an ordinary iron bar. He observed that the iron bar attracts a pin.