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				| 1. | What is the self inductance of a coil in which an induced emf of 2V is set up when the current changes at the rate of 4 As-1? | 
| A. | 0.5 mH | 
| B. | 0.5H | 
| C. | 2.0H | 
| D. | 8.0H | 
| Answer» C. 2.0H | |