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Electronic Principles - Section 1 :: Discussion
| 18. | A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? | |
| A. | 7.8 mA | |
| B. | 208 mA | |
| C. | 200 mA | |
| D. | 300 mA | |
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