An RLC series circuit has a 60-Hz, 120 V applied voltage. R = 50 ?, XL = 137 ?, and XC = 160 ?. What is the inductance in the circuit?
A. 0.133 H
B. 0.261 H
C. 0.363 H
D. 0.424 H
Answer: C
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Systems that involve the use of compressed air are governed by the principles of _____.
a. hydraulics b. phonetics c. pneumatics d. dynamics
The Free Soil party of 1848 harbored many northerners who stood squarely against slavery in the territories primarily on the grounds that
A. further expansion of slavery might break up the union. B. it destroyed the chances of free white workers to rise up from wage-earning dependence. C. slavery was a moral evil contrary to American principles. D. slave labor would be unproductive in the West. E. the southern fire-eaters were already planning further expansion into Central America.
The operation of chillers involves starting, running, and stopping the system's components in an orderly manner.
Answer the following statement true (T) or false (F)
In the colony of Manhattan in New York, ________ caused people to build a wall along the street that later became Wall Street.
A. Sewage B. Roaming pigs C. Neighbors D. Bank robberies