A flip-flop which accepts inputs only when a trigger changes from LOW to HIGH is
A) negative level-triggered. B) negative edge-triggered.
C) positive level-triggered. D) positive edge-triggered.
D
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The Environmental Protection Agency monitors six water pollutants that can be directly measured
Indicate whether the statement is true or false.
____ enjoy ivy as well as dry air
a. Fungus gnats c. Aphids b. Leafminers d. Spider mites
PROBLEM 3.C4 The homogeneous, solid cylindrical shaft AB has a length L, a diameter d, a modulus of rigidity G, and a yield strength It is subjected to a torque T that is gradually increased from zero until the angle of twist of the shaft has reached a maximum value and then decreased back to zero. (a) Write a computer program that, for each of 16 values of equally spaced over a range extending from 0 to a value 3 times as large as the angle of twist at the onset of yield, can be used to determine the maximum value of the torque, the radius of the elastic core, the maximum shearing stress, the permanent twist, and the residual shearing stress both at the surface of the shaft and at the interface of the elastic core and the plastic region. (b) Use this program to obtain approximate
answers to Probs. 3.114, 3.115, 3.116.
For the entire circuit in Fig. 11.70, calculate:
(a) the power factor
(b) the average power delivered by the source
(c) the reactive power
(d) the apparent power
(e) the complex power
 FIGURE 1.png)