Question

please give me the answer of the question

Answer 1

Ans3) The casing of a magnetic compass is made of aluminium because aluminium is a non magnetic metal. Hence, it will not effect the working of compass as any other magnetic material, like iron will attract the magnetic needle and can cause the compass to show a wrong direction.

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Ans4)The freely suspended magnet comes to rest in North direction because our earth have the highest magnetic force in North direction thus, when magnet is kept freely it always points to North direction.

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Ans5)To identify which one is magnet ; keep some iron nails near it and the one which attract it then that is a magnet..

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