Question

Alloys are used in electrical heating devices rather than pure metal. Give two reasons.

Answer 1

Alloys are generally the combination of two or more metals. Since, metals are good conductors of electricity, therefore alloy is expected to be a better conductor of electricity than the pure metal.

Answer 2

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b) The conductors of electric heating devices such as bread toasters and electric irons are made of alloy because

◾resistivity of an alloy is more than that of metals.

◾It produces large amount of heat and do not burn easily.

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