Question

You are given two identical bars which look as if they might be made of iron. One of them is a magnet while the other is a simple iron bar. How will you find out which one is a magnet ​

Answer 1

Answer:

Simple,

First you take one bar and tie it to a thread , then suspend it to the air , if it rotates and stand in North and South position it is magnet.

Do the same thing to another bar we can get the magnet.

Answer 2

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❥Tie both the bars with a thread and suspende them freely in the air. Now rotate both the bars.

The bar magnet will rest in North-South direction but a iron bar will rest in any direction.

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Why a magnetic bar always rest in North-South direction??

❥ A freely suspended magnet always rests in the north-south direction because the magnetic south pole of the earth lies in the geographic north direction and the magnetic north pole of the earth lies in the geographical south direction.

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