Resistance in a parallel circuit ___________
a. increases as additional resistors are added in parallel.
b. decreases as additional resistors are added in parallel.
c. may increase or decrease when resistors are added in parallel, depending on their size.
B
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A knee in a leakage current-versus-voltage plot indicates a _____.
a. breakdown current b. charging current c. leakage current d. corona current
The European great powers welcomed a civil war in the United States for all of the following reasons EXCEPT
A. war would weaken the power of the United States in the Western hemisphere. B. a divided America would likely put a halt to European immigration. C. they could play the two nations off against one another in a game of balance of power. D. their existing colonies would be safe against further American expansion. E. they might more readily seize new colonial territory in the Americas.
The article “Calibration of an FTIR Spectrometer”describes the use of a spectrometer to make five measurements of the carbon content (in ppm) of a certain silicon wafer whose true carbon content was known to be 1.1447 ppm. The measurements were 1.0730, 1.0825, 1.0711, 1.0870, and 1.0979.
a. Is it possible to estimate the uncertainty in these measurements? If so, estimate it. If not, explain why not. b. Is it possible to estimate the bias in these measurements? If so, estimate it. If not, explain why not.
A uniform series of payments begins in year 4 and ends in year 11. If you use the P?A factor with n = 8, the P value you get will be located in year:
(a) 0 (b) 3 (c) 4 (d) 5