Question icon
Grade 1210 grade science

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

Profile image of Pawan Prajapati
5 Years agoGrade 12
Answers icon

1 Answer

Profile image of Harshit Singh
5 Years ago
Dear Student

The coils of such heating appliances are made up of an alloy rather than a pure metal because:
(a)The resistivity of an alloy is much higher than that of a pure metal.
(b)An alloy does not undergo oxidation easily even at high temperature when it is even red hot.

Thanks