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 _____.

Counter-electromotive force (CEMF) and back-EMF are names for the voltage induced into the armature of a DC motor.

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

In a compound DC motor control circuit, the field loss relay will disconnect the _____ if power is lost to the _____.

A device that converts electrical energy into mechanical energy is called a(n) _____.

Permanent magnet motors have _____ efficiency than conventional field-wound motors.