MCQOPTIONS
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				| 1. | 
                                    Present day HVDC converters are all | 
                            
| A. | 3 pulse converters | 
| B. | 6 pulse converters | 
| C. | 12 pulse converters | 
| D. | either 6 pulse or 12 converters | 
| Answer» D. either 6 pulse or 12 converters | |