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				| 1. | A three-phase star-connected balanced load of (4 + j3) Ω per phase is connected across a three-phase, 50 Hz, 400 V AC supply. Determine the power factor of the load. | 
| A. | 0.8 lagging | 
| B. | 0.3 leading | 
| C. | 0.9 lagging | 
| D. | 0.7 leading | 
| Answer» B. 0.3 leading | |