A(n) ____ is the potential energy a charge gains when one joule of work is done on one coulomb.
A. ohm
B. farad
C. ampere
D. volt
Answer: D
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Current ____________________ are used to sense the amount of motor current.
Fill in the blank(s) with the appropriate word(s).
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A ____ is a one-way electrical check valve.
A. plenum B. diode C. byte D. thermistor
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What is the purpose of the labyrinth seal (drum groove) used on a drum brake?
A) Keeps water out of the drum B) Reduces cooling C) Reduces noise D) Allows the shoes to collect dust
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Electrical conductors listed in order of best to worst are:
A) Aluminum, gold, silver, copper. B) Copper, aluminum, silver, gold. C) Gold, silver, copper, aluminum. D) Copper, gold, aluminum, silver.
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