MCQOPTIONS
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| 1. |
A transformer has 1000 primary turns. It is connected to 250 volts A.C. supply. Find the number of secondary turns to get secondary voltage of 400 volts. |
| A. | 1600 |
| B. | 625 |
| C. | 100 |
| D. | 1250 |
| Answer» B. 625 | |