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				| 1. | The below given circuit has Vs = 230V and R = 20 Ω. Find the value of the average output voltage at the R load for a firing angle of 45°. | 
| A. | 224 V | 
| B. | -15.17 V | 
| C. | 15.17 V | 
| D. | –224 V | 
| Answer» C. 15.17 V | |