Marine Electrical Systems USCG Question #845 (Set 29)

Which of the following statements is true concerning step-down transformer operation?

Official USCG Answer & Rule Citation

Correct Answer: Option A — The voltage supplied to the primary side is greater than the voltage produced by the secondary side.

In a step-down transformer, the primary winding receives the higher incoming voltage while the secondary winding delivers a reduced output voltage, obeying the fundamental electromagnetic induction principles governed by turns ratio.

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