Why the casing of a magnetic compass is usually made of aluminium?
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However, when nickel (Ni) is added to stainless steel the result is usually a non-magnetic form of stainless steel. 13] The casing of a magnetic compass is usually made of aluminium. If a ferromagnetic metal is used, the magnetic needle will get attracted to it and will not show the correct direction.
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Answer:The casing of a magnetic compass is made of aluminium because aluminium is a non-magnetic metal. Hence, it will not affect 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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