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				| 1. | A synchronous generator is operating with a Ef=1.40pu. This machine having Xs of 1.2pu, is delivering a synchronous power of 0.5pu to the bus. If the prime-mover torque is increased by 1%, by how much will the synchronous power P change? | 
| A. | 1% | 
| B. | 10% | 
| C. | -1% | 
| D. | 4% | 
| Answer» B. 10% | |