The wattmeter method is used to measure power in a three-phase load. The wattmeter readings are 400W and -35W. Find the power factor.
A. 0.43
B. 0.53
C. 0.63
D. 0.73
Answer:A
The wattmeter method is used to measure power in a three-phase load. The wattmeter readings are 400W and -35W. Find the power factor.
A. 0.43 B. 0.53 C. 0.63 D. 0.73