Question

3. State the properties of a bar magnet.
4. How can you find out whether a metallic bar is a magne
5. Write a note on the theory of magnetism. Draw suitable dlaga​

Answer 1

Answer:

3: 1- attractive property

Answer 2

3.

• In bar magnet its pole has the strongest magnetic force
• If it is suspended in the air it must point North-South when it come to rest.
• It attracts ferromagnetic matrials such as iron, nickle and cobalt

4. If it attracts ferromagnetic material.

5. Magnetism is a class of physical phenomena that are mediated by magnetic fields. Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments.