A(n) ____ is a device used to step up or step down applied voltage.
A. isolation transformer
B. step-up transformer
C. step-down transformer
D. autotransformer
Answer: D
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The direction of rotation of a ____ can be reversed by changing the start winding leads or the run winding leads, but not both.
a. split-phase motor b. pneumatic motor c. dual-voltage motor d. hydraulic motor
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La cubierta externa dura que actúa como protección mecánica de los cables se llama:
a. aislamiento. b. funda. c. conductor. d. protección.
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The three body regions of an insect are the _____
A) head, legs, thorax B) legs, thorax, abdomen C) head, thorax, abdomen D) legs, head, abdomen
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Resistance in an electrical circuit is measured in __________.
A. volts B. ohms C. amps D. microfarads
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