MCQOPTIONS
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| 1. |
A 100% efficient transformer has 100 turns in the primary and 25 turns in its secondary coil. If the current in the secondary coil is 4 amp, then the current in the primary coil is [MP PMT 1990] |
| A. | 1 amp |
| B. | 4 amp |
| C. | 8 amp |
| D. | 16 amp |
| Answer» B. 4 amp | |