MCQOPTIONS
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| 1. |
A transformer has an efficiency of 60% and works at 5kW. If the secondary voltage is 150 V, then what is the secondary current? |
| A. | 10 A |
| B. | 20 A |
| C. | 30 A |
| D. | 40 A |
| Answer» C. 30 A | |