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				| 1. | A source Vs = 200 cos t delivers power to a load at power factor 0.8 lagging. The reactive power is 300 VAR. The Pav is given by | 
| A. | 200 watts | 
| B. | 225 watts | 
| C. | 400 watts | 
| D. | 300 watts | 
| Answer» D. 300 watts | |