 
			 
			MCQOPTIONS
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				| 1. | If the frequency is reduced by 50% for a 3-phase, 50 Hz induction motor having 4 poles. The slip at which the maximum torque occurs becomes _________ | 
| A. | 2*s | 
| B. | s | 
| C. | 1/2s | 
| D. | 1/s | 
| Answer» B. s | |