A basic law concerning transformers is that all values of a transformer are ____ to its turns ratio.
a. exponentially related
b. inversely proportional
c. logarithmically related
d. proportional
d. proportional
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15. What is an electrotachometer?
What will be an ideal response?
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As the size of an angle increases the sine, tangent, and secant functions ____________________.
Fill in the blank(s) with the appropriate word(s).
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Commercial central heating and cooling systems refer to:
A) Single- to three-story office buildings only. B) Structures used for businesses in general. C) Retail shopping malls only. D) Single-story office buildings only.
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The device shown as a in the figure above is a _____
A) circuit breaker
B) thermal overload device
C) low-pressure switch
D) high-pressure switch
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