Which of the following method/s is used for control the temperature in resistance furnaces?

All Questions › Category: Basic Electrical › Which of the following method/s is used for control the temperature in resistance furnaces?
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Rajasri Mundrathi Staff asked 3 years ago

Options:
a) Variation of resistance
b) Variation of voltage
c) Periodical switching on and off of the supply
d) All of the above methods

1 Answers
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Rajasri Mundrathi Staff answered 3 years ago

The correct answer is
All of the above methods