 
			 
			MCQOPTIONS
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				| 1. | When a particle of charge q and mass m enters into a uniform magnetic field B moving with a velocity v perpendicular to the direction for the field it describes a circular path of radius | 
| A. | R=qB/mV | 
| B. | R=mV/qB | 
| C. | R=qmV/B | 
| D. | R=qmB/V | 
| Answer» C. R=qmV/B | |