Question

Explain a process by which a permanent magnet can magnetise an ordinary piece of iron

Answer 1

Take an iron nail wind it with a copper wire. Then connect the ends of a wire to an electric cell. Allow the flow of current through the wire. Now bring some iron filings near the nail. You will observe that iron filings are attracted towards the iron nail. This shows that magnetic field is developed around a nail

Answer 2

Answer:

• The process by which a permanent magnet can magnetise an ordinary piece of iron is by repeatedly stroking them with a strong magnet in a systematic manner.

Explanation:

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