Question

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Answer 1

Answer:

Coils of electric toasters and electric irons made of an alloy rather than a pure metal due to the following reasons:

• The resistivity of an alloy is higher than the pure metal.
• At high temperatures, the alloys do not oxidize.
• Alloy does not melt readily and get deformed.
• Alloys have a low-temperature coefficient of resistance

Hence, the coils of heating appliances such as electric toasters and electric irons are made of an alloy rather than a pure metal.

Step-by-step explanation:

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Answer 2

Answer:

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