Why are alloys preferred for the heating elements in devices like toasters?

Question

Why are alloys preferred for the heating elements in devices like toasters? — Exam MCQ

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B. They have higher resistivity and do not oxidise readily at high temperatures — The correct choice is They have higher resistivity and do not oxidise readily at high temperatures. It follows from the basic electrical relationship between voltage, current, resistance, charge or electrical energy described in the question.

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A. They are good electrical conductors with low resistivity

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C. They have a low melting point

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D. They are insulators

Why are alloys preferred for the heating elements in devices like toasters?

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