 
			 
			MCQOPTIONS
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				| 1. | The rotational speed of a given stepper motor is determined solely by the | 
| A. | Shaft load | 
| B. | Step pulse frequency | 
| C. | Polarity of stator current | 
| D. | Magnitude of stator current. | 
| Answer» C. Polarity of stator current | |