Question 13105 of 790 · California General Electrician Exam
A transformer has a turns ratio of 20 to 1 and a primary voltage of 2,400 volts. What is the secondary voltage?
Exactly one answer is correct.
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Correct answer to question 13105
- A: 120 V
Explanation
Secondary voltage equals primary voltage divided by the turns ratio for a step-down transformer: 2,400 / 20 = 120 V. Multiplying gives 48,000 V.
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