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1. |
A load is supplied by a 230 V, 50 Hz source. The active power P and the reactive power Q consumed by the load are such that 1 kW ≤ P ≤ 2 kW and 1 kVAR ≤ Q ≤ 2 kVAR. A capacitor connected across the load for power factor correction generates 1 kVAR reactive power. The worst case power factor after power factor connection is |
A. | 0.447 lag |
B. | 0.707 lag |
C. | 0.894 lag |
D. | 1 |
Answer» C. 0.894 lag | |