In a three-phase motor, the speed of rotation of the magnetic field is called the _____ speed.

A. magnetic
B. slip
C. synchronous
D. rotor


Answer: C

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____ are used for the input to the motor protector module.

a. Spike suppressors b. Current transformers c. Voltage regulators d. UPSs

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Valley rafters always have a tail.

Answer the following statement true (T) or false (F)

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A Wien-bridge oscillator has two feedback paths:

A) two negative feedback paths B) two positive feedback paths C) a negative feedback path to the inverting input, and a positive feedback path to the noninverting input D) no feedback paths

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Describe and give an example of hard conversion.

What will be an ideal response?

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