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				| 1. | An LED has a rating of 2 V and 10 mA. If it is connected to a 6V battery, the minimum value of series resistance is | 
| A. | 40 Ω | 
| B. | 100 Ω | 
| C. | 200 Ω | 
| D. | 400 Ω | 
| Answer» E. | |