MCQOPTIONS
Saved Bookmarks
| 1. |
In a transformer, the number of turns in primary coil and secondary coil are 5 and 4 respectively. If 240 V is applied on the primary coil, then the ratio of current in primary and secondary coil is [AFMC 1998; CPMT 2000; Pb. PET 2002] |
| A. | 4 : 5 |
| B. | 5 : 4 |
| C. | 5 : 9 |
| D. | 9 : 5 |
| Answer» B. 5 : 4 | |