MCQOPTIONS
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				| 1. | 
                                    Which of the following is the main advantage of an auto-transformer over a two winding transformer? | 
                            
| A. | Hysteresis losses are reduced | 
| B. | Saving in winding material | 
| C. | Copper losses are negligible | 
| D. | Eddy losses are totally eliminated | 
| Answer» C. Copper losses are negligible | |