Which of the following best describes how a permanent magnet sensor operates?
A. It modifies a reference voltage signal
B. It generates a DC analog voltage signal
C. It generates a DC digital voltage signal
D. It generates an AC voltage signal
Answer: D
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Which stage of the Industrial Revolution involved mechanization, steam and water power?
A) First B) Second C) Third D) Fourth
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A(n) _______ circuit has an incomplete path for current flow.
A. parallel B. open C. series/parallel D. series
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The exact description of each lighting fixture is given on the ____________.
Fill in the blank(s) with the appropriate word(s).
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What special property do most plants used for vegetated roofs have to conserve water?
A) Inorganic material B) Extended sepals C) Acidic nature D) Special metabolism
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