When the voltage turns on and off at regular intervals, but never changes polarity, the pulsations are generally referred to as ____.
a. ripple
b. drop
c. drain
d. static
a. ripple
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The structural behavior of a contemporary load-bearing masonry wall building is similar to that of _______.
A) a conventional wood light-frame building. B) a steel-frame building. C) a precast-concrete frame building. D) a site-cast reinforced-concrete frame building. E) none of the above.
Two resistors in series, R1 and R2, have a total resistance of 1,600 ohms. The resistance of R2 is 560 ohms less than twice R1. Find the resistance of R1 and R2.
Fill in the blank(s) with the appropriate word(s).
Which type of vehicles most often do NOT use metering valves?
A) Four-wheel drive B) All-wheel drive C) Rear-wheel drive D) Front-wheel drive
____________________ is surface measurement that has length and width or length and height but no thickness.
Fill in the blank(s) with the appropriate word(s).