Which of the following methods is used to control temperature in resistance furnaces?

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3511Electrical EngineeringMedium

AVariation of resistance

BPeriodical switching on and off of the supply

CAll of the above methods

DVariation of voltage

Correct answer

C. All of the above methods

Explanation

The correct answer is All of the above methods.

Which of the following methods is used to control temperature in resistance furnaces? - Answer and Explanation | Academy of Pakistan