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1. |
In 'two-wattmeter method' of power calculation of a 3-phase balanced star connected system, what is the power factor of the system if both the wattmeter’s show a positive reading? |
A. | 0 |
B. | Greater than 0 but less than 0.5 |
C. | 3.5 |
D. | Greater than 0.5 but less than 1 |
Answer» E. | |