Electricity is best thought of as a form of ____.
a. electronics
b. polarity
c. energy
d. insulation
c. energy
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?Chemical resistance tests of selected plastics shows that ____ is only slightly affected by strong acids.
A. ?polyamide B. ?acetal C. ?melamine D. ?acrylic
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An______is a decimal U.S. customary (inch) scale calibrated in multiples of 10.
Fill in the blank(s) with the appropriate word(s).
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What is the maximum value for short circuit protection for multi-motor branch circuits?
a. 150% of the smallest motor b. 150% of the largest motor c. 250% of the smallest motor d. 250% of the largest motor
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A signal is described by x (t) = A rect (t) + B rect (t ? 0.5) . What is its signal energy?
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