Why are coils of electric toasters and electric irons made of an alloy rather than a pure metal

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asked Jan 21, 2018 in Physics by Kundan kumar (49,132 points) 34 379 1010

Why are coils of electric toasters and electric irons made of an alloy rather than a pure metal?

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answered Jan 21, 2018 by Vikash Kumar (144,729 points) 8 11 21
edited Jan 30, 2018 by faiz
 
Best answer

Coils of electric toasters and electric irons are made of an alloy rather than a pure metal because
(i) the resistivity of an alloy is much higher than that of pure metal and
(ii) an alloy does not undergo oxidation easily even at high temperature.

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