To charge a 100 ?F capacitor in 15 seconds, use a ________ resistor
A) 35 k? B) 25 k? C) 15 k? D) 30 k?
D
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Pollen is usually taken from one plant to another by ____________________
Fill in the blank(s) with correct word
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Comfort is normally associated with the air properties of _____
a. temperature and dew point b. temperature and enthalpy c. temperature and relative humidity d. dew point and relative humidity
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Photodetectors that have both the transmitter and the receiver units mounted in the same housing depend on a(n) ____________________ for operation.
Fill in the blank(s) with the appropriate word(s).
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Modulating controls are used to ____.
A. start motors B. stop motors C. vary the speed of the motor D. stop the flow of a liquid
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