Q. What are alloys? why are they used in electric heating devices?
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Alloys are mixture of one or two metals. They are used in electrical beating devices as alloys have a higher melting point and they do not oxidize easily and can last for a long time.
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Alloys are homogeneous mixtures a metal or a metal or a metal or a non metal.
Alloys have higher resistivity than pure metals ;higher resistance would mean mire heat.Hence they are used in electrical heating devices
Alloys have higher resistivity than pure metals ;higher resistance would mean mire heat.Hence they are used in electrical heating devices
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