Question

List two reasons why nichrome is used for making heating element of electrical appliances.

Answer 1

Answer:

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Explanation:

Nichrome alloy is used for making the heating elements of electrical appliances because:

(i) nichrome has very high resistivity.

(ii) nichrome does not undergo oxidation (or burn) easily even at high temperature.

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Answer 2

Nichrome has a very high resistance. As resistance is directly proportional to heat evolved, this leads to it becoming very hot when current is passed. So it is used in element of appliances

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