why are coils of electric toaster and electric irons made up of an alloy rather than a pure metal..
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➡ Because the Resistivity of alloy is much higher than pure metal and the alloy doesn't under woke oxidic easily even at high temperature when it is red hot. ✔ ✔ ✔
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The resistivity of an alloy is higher than the pure metal. Moreover, at high temperatures, the alloys do not melt readily. Hence, the coils of heating appliances such as electric toasters and electric irons are made of an alloy rather than a pure metal.
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