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Power is ___________

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in Electrical Measurements by (148k points)
Power is ___________

(a) rate of doing work

(b) rate of producing voltage

(c) rate of generating current

(d) rate of overcoming friction

The question was posed to me in an interview for internship.

Enquiry is from Dynamometer Type Wattmeter in chapter Measurement of Power and Related Parameters of Electrical Measurements

1 Answer

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Correct choice is (a) rate of doing work

To explain: Power is defined as the rate of doing work. The unit of power is watt. In D.C. circuits, power is the product of the voltage consumed and the current flowing through a circuit. P = VI watts.

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