To determine the polarity of a voltage drop, we simply consider the ____ of the current.

a. location
b. direction
c. magnitude
d. strength


b. direction

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If equal amounts of red, blue, and green light were mixed, according to the additive color method what color would be produced.

A. cyan B. magenta C. yellow D. white

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Elevation drawings are most likely to show _____.


a. doors and windows
b. depth dimensions
c. wall details
d. existing utilities

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The most accurate method for determining whether there is a harmonics problem is to use a(n) ____________________.

Fill in the blank(s) with the appropriate word(s).

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You use the ____ command to search for a specified pattern in a file, such as a particular word or phrase.

A. find B. grep C. sed D. diff

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