MCQOPTIONS
 Saved Bookmarks
				| 1. | 
                                    To measure a resistance by a dc potentiometer | 
                            
| A. | it is necessary to standardise the potentiometer | 
| B. | it is not necessary to standardise the potentiometer | 
| C. | it is necessary to use a volt ratio box | 
| D. | none of the above | 
| Answer» C. it is necessary to use a volt ratio box | |