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1. |
A single phase motor is connected to 400V, 50Hz supply. The motor draws a current of 31.7A at a power factor 0.7 lag. The capacitance required in parallel with motor to raise the power factor of 0.9 lag (in micro farads) is __________ |
A. | 94.62 |
B. | 282.81 |
C. | 108.24 |
D. | 46.87 |
Answer» B. 282.81 | |