Which of the following is used to change the speed of an electric fan ?
A Regulator (using a rheostat/resistor, inductor, or electronic triac) is used to control the voltage/current supplied to an electric fan motor and thereby change its speed.
Choose your answer
Which of the following is used to change the speed of an electric fan ?
Answer and explanation
Correct answer B
A Regulator (using a rheostat/resistor, inductor, or electronic triac) is used to control the voltage/current supplied to an electric fan motor and thereby change its speed.
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