An averaging amplifier is a summer that provides an output equal to the average of the inputs. By using proper input and feedback resistor values, one can get
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Using a feedback resistor of 10 k?, design an averaging amplifier with four inputs.
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A ____ test is used to determine the depth of weld metal penetration, fusion zone, and heat-affected zone.
A. macro etch B. bend C. nick break D. tensile
The resistance R (in ohms) of a cylindrical conductor is given by R = 
where l is the length, d is the diameter, and k is a constant of proportionality. Assume that l = 14.0 ±0.1 cm and d = 4.4 ± 0.1 cm.
a. Estimate R, and find the uncertainty in the estimate. Your answer will be in terms of the proportionality constant k. b. Which would provide the greater reduction in the uncertainty in R: reducing the uncertainty in l to 0.05 cm or reducing the uncertainty in d to 0.05 cm?
The vision of a company or department describes ________
A) Your dream for how you'd like it to be B) Unreasonable expectations for the future C) Their specific goals for the next three years D) More than one of the above is correct
Frequency, amplitude, displacement, velocity, acceleration, and elapsed time are qualities used to measure
_____. a. efficiency b. alignment c. vibration d. load impact