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				| 1. | A chopper circuit is fed from an input voltage of 20 V delivers a power of 16 watts. If the chopper efficiency is 80 %, then find the value of input current. | 
| A. | 0.64 A | 
| B. | 1 A | 
| C. | 0.8 A | 
| D. | 1.25 A | 
| Answer» C. 0.8 A | |