MCQOPTIONS
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| 1. |
Power in a three phase star connected balanced inductive load is measured by two wattmeter method. The phase voltage and phase current are 230 V and 5 A, respectively. The power factor of the load is 0.707. The readings P1 and P2 of the two wattmeters are |
| A. | P1 = 298 W and P2 = 1111 W |
| B. | P1 = 516 W and P2 = 1924 W |
| C. | P1 = 1220 W and P2 = 1220 W |
| D. | P1 = 1111 W and P2 = -516 W |
| Answer» C. P1 = 1220 W and P2 = 1220 W | |