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Electronic Principles - Section 4 :: Discussion
| 15. | Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? | |
| A. | 0.3 A | |
| B. | 0.2 A | |
| C. | 0.4 A | |
| D. | 0.6 A | |
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