Dynamic motor braking is often used with AC motors being controlled by a(n) _____.

a. adjustable frequency drive
b. isolated solid-state relay
c. insulated gate bipolar transistor
d. electromechanical relay


a. adjustable frequency drive

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A ____ is a device used to regulate the flow of a gas or liquid.

A. thermostat B. switch C. gate D. valve

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Primary sources are sometimes available in ____ that can be accessed online.

A. trademarks B. laboratories C. databases D. secondary sources

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Soil structure

What will be an ideal response?

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When the positive lead of a diode is connected to the positive side of a circuit, it is called ________

A) Reverse bias B) Negative bias C) Forward bias D) None of these

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