MCQOPTIONS
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				| 1. | 
                                    A 750 A circuit uses thyristor of current rating 175 A. If derating is 25%, the number of thyristors in parallel is | 
                            
| A. | 3 | 
| B. | 4 | 
| C. | 6 | 
| D. | 10 | 
| Answer» D. 10 | |