What is used to reduce eddy current losses in a motor?
A. rotor poles
B. a commutator
C. stator poles
D. slip rings
E. insulated laminations
Answer: B
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Transformers in which the primary and secondary voltages are 180 degrees out of phase are known as _____.
a. unlike-wound transformers b. like-wound transformers c. unequal transformers d. step-up transformers
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____________________ costs are those expenses that change with the quantity of work being produced.
Fill in the blank(s) with the appropriate word(s).
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Which of the following is a three-wire variable sensor?
A) Thermistor B) Coolant temperature sensor (CTS) C) Potentiometer D) Rheostat
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Potential energy is:
A) An energy source with promise that has not found practical application. B) Purely theoretical. C) Stored energy. D) Energy in motion.
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