A measure of a substance's capacity to allow the passage of liquids or gases is its_____
a. vapor resistance
b. permeability
c. penetrability
d. humidity quotien
b
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Some diagrams will use dashed lines to ____.
a. indicate factory-installed wiring b. represent edges hidden in views of a complex object c. indicate that an object within the drawing space is selected d. illustrate field-connected devices
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For the circuit in Fig. 7.88 if v = 10e^-4t V and i = 0.2e^-4t A, t > 0
(a) Find R and C.
(b) Determine the time constant.
(c) Calculate the initial energy in the capacitor.
(d) Obtain the time it takes to dissipate 50 percent of the initial energy.