FAA AMT Airframe Practice Exam 2026 – All-in-One Study Guide to Master Aviation Maintenance Technician Certification!

Question: 1 / 1030

In an AC transformer, if the secondary contains twice as many loops as the primary, the voltage will be

The same and the amperage more

Greater and the amperage less than in the primary

In an AC transformer, the number of loops in the coils of the primary and secondary windings determines the voltage ratio between the primary and secondary sides.

If the secondary contains twice as many loops as the primary, this means that the voltage induced in the secondary coil will be twice the voltage applied to the primary coil. This relationship is based on Faraday's law of electromagnetic induction, which states that the induced voltage in a coil is proportional to the rate of change of magnetic flux linking the coil.

Therefore, the correct answer is B: Greater and the amperage less than in the primary. The voltage will be greater in the secondary side compared to the primary side due to the difference in the number of loops in the coils, while the amperage will be less due to the conservation of power (P = V x I).

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Less and the amperage more

Unchanged and the amperage unchanged

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