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1. |
In 3-phase power measurement by two-wattmeter method, the two wattmeters read as W1 = 300 W and W2 = 300 W. Then the load is said to be operating at _________. |
A. | Unity power factor |
B. | Lagging power factor |
C. | Zero power factor |
D. | Leading power factor |
Answer» B. Lagging power factor | |