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Why are alloys commonly used in electric...

Why are alloys commonly used in electrical heating devices? Give reason.

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Reason: Alloys have high resistivity /high melting point/ alloys do not oxidize (Or burn) readily at high temperatures.
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Assertion (A): Alloys are commonly used in electrical heating devices like electric iron and heater. Reason (R): Resistivity of an alloy is generally higher than that of its constituent metals but the alloys have low melting points then their constituent metals.

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