The self-induced voltage across an inductance is equal to the change in _____
a. current with respect to time
b. resistance with respect to time
c. capacitance with respect to time
d. voltage with respect to time
a
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On 100 different days, a traffic engineer counts the number of cars that pass through a certain intersection between 5 P.M. and 5:05 P.M. The results are presented in the following table.
a. Let X be the number of cars passing through the intersection between 5 P.M. and 5:05 P.M. on a randomly chosen day. Someone suggests that for any positive integer x, the probability mass function of X is =(0.2)(0.8)x. Using this function, compute P(X=x) for values of x from 0 through 5 inclusive.
b. Someone else suggests that for any positive integer x, the probability mass function is =(0.4)(0.6)x. Using this function, compute P(X=x)for values of x from 0 through 5 inclusive.
c. Compare the results of parts (a) and (b) to the data in the table. Which probability mass function appears to be the better model? Explain.
d. Someone says that neither of the functions is a good model since neither one agrees with the data exactly. Is this right? Explain.
Using an appropriate diagram, identify all the possible conflict points at an unsignalized T intersection.
What will be an ideal response?
A permanently installed swimming pool must have at least one 125-volt, 15- or 20-ampere receptacle located a minimum of __________ feet from the inside wall of the pool.
a. 3 b. 5 c. 6 d. 10
Rotating views from their normal alignment with the six principal views should be avoided, but it is possible if necessary. Describe when rotating views is necessary, and explain how the rotating view method is established.
What will be an ideal response?