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1. |
A single wattmeter is connected to measure the reactive power of a three-phase, three-wire balanced load. The line current is 17A and the line voltage is 440V. Calculate the power factor of the load if the reading of the wattmeter is 4488 VAR. |
A. | 0.6 |
B. | 0.8 |
C. | 1 |
D. | 1.2 |
Answer» C. 1 | |