PH-321
Transformers
Physics · Secondary 3 · Hard · Transformers
A transformer has 200 turns on its primary coil and 800 turns on its secondary coil. The primary voltage is 100 V. What is the secondary voltage and type of transformer?
- 400 V, step-up transformer
- 400 V, step-down transformer
- 25 V, step-up transformer
- 25 V, step-down transformer
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