 
			 
			MCQOPTIONS
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				| 1. | The electric P.E of an electron in an orbit at a distance rn from the positive charge | 
| A. | Ke2/rn | 
| B. | Ke2/rn2 | 
| C. | ?Ke2/rn | 
| D. | ?Ke2/rn2 | 
| Answer» D. ?Ke2/rn2 | |