Question

11. Three identical iron bars are kept on a table. Two out of three bars are magnets. In one
of the magnets the North-south poles are marked.
Identify the poles of this magnet.​

Answer 1

Answer:

Both the bars will be attracted towards the magnet as they are both made up of iron. So to test magnet, repulsion of like poles are to be used. Bring the poles of iron bars one by one towards the north pole of the magnet. The iron bar will be attracted but the actual magnet can get attracted or get repelled.

Explanation:

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