30. Induction and Inductance
Transformers
2:20 minutes
Problem 31
Textbook Question
Textbook QuestionA Step-Down Transformer. A transformer connected to a 120-V (rms) ac line is to supply 12.0 V (rms) to a portable electronic device. The load resistance in the secondary is 5.00 Ω. (a) What should the ratio of primary to secondary turns of the transformer be?
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