FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

Question: 1 / 1030

How many cycles of ac voltage are produced in a six pole alternator of the revolving field type for each revolution of the rotor?

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In a six-pole alternator of the revolving field type, there are three cycles of ac voltage produced for each revolution of the rotor. This is because for every one rotation of the rotor, each pole pair (consisting of a north and south pole) will pass by the stator windings three times, resulting in three complete cycles of alternating current being induced in the stator windings. The other options are incorrect as they do not align with the specific configuration and operation of a six-pole alternator.

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Six

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