Pure series circuits and pure parallel circuits are ____ encountered in the practical applications of electricity and electronics.
a. always
b. often
c. seldom
d. never
c. seldom
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The larger the vehicle, the larger the brake drum.
Answer the following statement true (T) or false (F)
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Which of the following classifications of finger-jointed material meets all the structural requirements and standards of solid wood?
A) CERT EXT JNTS B) VERTICAL USE ONLY
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A(n) ____ transfers electrical energy from one circuit to another through its windings.
A. transformer B. inductor C. conductor D. magnet
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The PWM drive that cannot be used to power several motors simultaneously is the __________ type.
A. volts/Hz B. AC closed-loop C. sensorless vector D. b and c
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