Give reason: "The outer case of a compass is always made of non-magnetic material"
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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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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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