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The speed of the disc servomotor can be varied by changing the amount of voltage supplied to the armature. The voltage is generally varied using _____.

The compound motor connection that should generally be avoided is the _____.

Small permanent magnet motors that have lightweight rotors are often used as _____.

A square wave voltage varies between 0 V and 12 V. The positive pulses are 75 μs wide and there is a 25 μs gap between them. What is the DC average of the waveform?

A square wave voltage varies between 0 V and 12 V. The positive pulses are 25 μs wide and there is a 75 μs gap between them. What is the DC average of the waveform?

A square wave voltage varies between 0 V and 12 V. The positive pulses are 50 μs wide and there is a 50 μs gap between them. What is the DC average of the waveform?

A series motor may be operated with no load connected.

When the field winding of a DC motor is connected in parallel with the armature, the motor is called a _____ motor.

The servomotor featuring a fiberglass and copper rotor is the _____ motor.

The ServoDisc motor is also often called a _____ motor.