The two-wattmeter method is used to measure the power of a three-phase – McqOptions

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1.	The two-wattmeter method is used to measure the power of a three-phase balanced system, powered by a 415 V, three-phase, 50 Hz power supply. If the reading on both wattmeters is 8.5 kW, calculate the power factor.
A.	1
B.	0.98 lagging
C.	0.88 lagging
D.	0.858 lagging
Answer» B. 0.98 lagging

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