One single phase wattmeter operating on 230V and 5A for 5 hours makes – McqOptions

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1.	One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land?
A.	1
B.	0.84
C.	0.73
D.	0.65
Answer» C. 0.73

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