Question

You are given an iron bar. Explain how you can magnetize the bar​

Answer 1

Answer:

Given a piece of iron and a bar magnet, the piece of iron can be magnetised by single touch method wherein one pole of a magnet is used to stroke the iron piece from its one end to the other end repeatedly until it gets magnetised.

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Answer 2

$\bf\red{Answer}$

Position the magnet against the iron rod so that only the chosen pole is touching the rod. Begin at one end of the rod and rub the magnet down the length of the rod in one continuous movement. Continue stroking the rod with the magnet until the rod has the desired magnetic strength.