MCQOPTIONS
 Saved Bookmarks
				| 1. | 
                                    The efficiency of two identical transformers under load conditions can be determined by | 
                            
| A. | short-circuit test | 
| B. | back-to-back test | 
| C. | open circuit test | 
| D. | any of the above | 
| Answer» C. open circuit test | |