Question 1056 of 790 · California General Electrician Exam
A transformer has 1,000 turns on the primary and 100 turns on the secondary. If 480 volts is applied to the primary, the secondary voltage is:
Exactly one answer is correct.
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Correct answer to question 1056
- C: 48 volts
Explanation
Voltage ratio equals turns ratio. 1,000 to 100 is 10 to 1, so 480 V / 10 = 48 V.
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