MCQOPTIONS
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				| 1. | 
                                    In a single phase full wave ac regulator using two thyristors only, the gate circuits of the two thyristors | 
                            
| A. | must be isolated | 
| B. | may or may not be isolated | 
| C. | should be preferably, isolated | 
| D. | should not be isolated | 
| Answer» B. may or may not be isolated | |