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What is one factor that controls the output frequency of an alternator?

A(n) _____ is used to measure the difference in voltage and frequency between two alternators.

The higher power output alternators use a revolving _____.

What machines operate on the same principle of electromagnetic induction as DC generators, but they have no commutator?

Using a(n) _____ is one method of preventing induced voltage from becoming excessive.

The revolving armature type alternator is capable of _____ power output and is, therefore, _____ often used than the revolving field type.

An alternator containing eight poles per phase is turning at 1500 RPM. What is the output frequency?

An alternator that has a separate small alternator mounted on the shaft of its rotor is equipped with a(n) _____.

The non-rotating part of a revolving-field-type alternator is called the _____.

The motor that does not contain a wound armature, commutator, or brushes is the _____ motor.