MCQOPTIONS
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| 1. |
A 220 volts input is supplied to a transformer. The output circuit draws a current of 2.0 ampere at 440 volts. If the efficiency of the transformer is 80%, the current drawn by the primary windings of the transformer is |
| A. | 3.6 ampere |
| B. | 2.8 ampere |
| C. | 2.5 ampere |
| D. | 5.0 ampere |
| Answer» E. | |