1. ____ is an example of a circuit-switched network.

2. Which of these is the equivalent of a farad, the unit of capacitance?

3. In a low-noise block downconverter (LNB), at what frequency is the amplification typically executed?

4. A differential amplifier made to produce two outputs of equal amplitude but opposite polarity is called

5. Digital latches may be constructed by cross-coupling (the output of one gate serves as one of the other gate's inputs) two of the same gates. What configuration is equivalent to an SR NOR latch for which the two inputs act as Set and Reset?

6. In the coil stage prior to rectification, an automobile alternator typically generates which type of electricity?

7. What is the term for the amount by which a signal exceeds the minimum amount for a circuit's proper operation?

8. A transformer in which the windings are surrounded by the core is called

9. Dithering of a digital signal is a common method for combating what underisable phenomenon?

10. Which of the following statements can be made concerning A XNOR (B XNOR C) = (A XNOR B) XNOR C ?

11. A high-voltage primary circuit is isolated with the use of a relay switch on a secondary circuit. Does the addition of the relay circuit add inductance to either circuit?

12. In a system with a transmission multiplexer and a reception demultiplexer, how many outputs is it typical for the multiplxer to possess?

13. What is Wein Bridge used for?

14. The self-induced back voltage in a circuit that occurs when an inductive DC circuit is opened may be safely routed away from the switch with a diode connected across the inductor and against the DC voltage. What is the main disadvantage of this practice?

15. Dithering of an audiofrequency signal typically occurs at what stage?

16. A "bias tee" consists of a single output that is capacitively coupled to a radiofrequency signal and inductively coupled to a DC signal. What is the primary purpose of this device?

17. True or False: The lumped element model is used whenever the circuit's length is greater than the circuit's operating wavelength.

18. True or False? The neutral lead of a polarized alternating-current plug is suitable for use as a chassis ground.

19. True or False? Race conditions can only occur in digital circuits.

20. For inputs A = 1 and B = 1, which of these logic operations between A and B will yield output 1?

21. When we connect germanium diode with silicon diode in parallel, the over all voltage drop is :

22. To which of the inputs will the feedback be routed for an operational amplifier (op-amp) employed as a non-inverting amplifier?

23. True or False? Any phase delay between two analog signals is lost after both signals have been three-level Nyquist sampled.

24. How can a led and a basic diode be connected to an ac source for correct operation?

25. In a high-pass filter consisting of a resistor and an inductor, how will the cut-off frequency change if the inductance is increased?

26. What is the chacteristic feature of heterodyne processing compared with homodyne processing?

27. For which values of inputs A and B would a NAND gate and an XOR gate NOT have the same output?

28. Which of the following combinations of gates could be used to realize the XOR function?

29. Two cross-coupled (the output of one gate serves as one of the other gate's inputs) NOR gates constitutes what type of digital circuit?

30. Consider a typical household AC circuit that is protected by both a circuit breaker and a ground-fault interruptor. A person accidentally shorts the hot lead to ground, drawing a lethal current of 100 mA. Which of the two safety devices will trip?

31. What is the typical low-voltage cutoff for a "high" signal in transistor-transistor logic (TTL)?

32. Of what safety device is this a description: A primary circuit that is magnetically coupled to a secondary circuit in which imbalance of hot and neutral current is measured?

33. Which model makes the simplifying assumption that all components in a circuit are ideal and all wires conduct perfectly?

34. Of the following four types of digital latches, which one can be configured (with cross-couplings) to operate as the other three?

35. Which kind of filter is produced by placing an input voltage across the series combination of a capacitor and a resistor and using the voltage across the resistor as an output?

36. Consider a push-pull follower amplifier: an npn and a pnp transistor connected in series between the positive and negative terminals of a voltage supply to which signal is input to the base of each and output to ground from their collector-emitter connection. In which class is such an amplifier?

37. A group of branches in a circuit forming a complete loop is called a

38. One 50-Ohm resistor and two parallel 100-Ohm resistors have the same impedance. In which system do the resistors have lower current when dissipating 1 kW?

39. True or False? The presence of the ground lead on a three-prong alternating-current appliance plug alleviates the need for a ground-fault interruptor.

40. A milliAmpere-hour is a typical unit for what quantity?

41. On a printed circuit board, what is a flux capacitor?

42. How many diodes are required to build a full-wave rectifier that employs a center-tapped transformer?

43. The minimum root-mean-square magnitude of alternating currents that are likely to cause uncontrollable muscle contraction and heart fibrillation in a human are in what range?

44. On a printed circuit board that supports several different inductors in different circuits, are there any constraints to the layout of the inductors?

45. What is the term to describe a multivibrator circuit with two outputs, neither of which is stable in time?

46. Which power supply takes its power from more than one source?

47. An electrical circuit that converts AC electrical power from a lower voltage to a higher DC voltage is called a:

48. The number of gate inputs that can be driven by a particular logic gate's output is called that gate's:

49. What is the term to describe a multivibrator circuit with two outputs, one of which is stable in time?

50. In a differentiator circuit, the output is approximately:

51. What artifact results from a failure to low-pass filter a signal before analog-to-digital conversion?

52. Which of these statements expresses De Morgan's theorem?

53. What is the function of a diode clamp?

54. What standard logic operation is represented by a household "three-way switch" in which two different switches operate the same light fixture?

55. Which of the following statements about phase-locked loops is NOT true?

56. To what do the "rails" of an operational amplifier refer?

57. The time between the change in a gate's input to the corresponding change in its output is called:

58. In a series RLC circuit, a larger series resistance will result in a

59. How many diodes are required to a half-wave rectifier?

60. How many diodes are in the bridge of a three-phase rectifier?

61. What is the name for the process of splitting a signal, inverting one of the two resulting signals, transmitting both signals, inverting one of the signals upon reception of both, then summing the two signals?

62. In which equivalent circuit can you replace a linear two-terminal circuit by a current source and a parallel impedance?

63. True or False? XOR and XNOR are both associative.

64. Which of these uses high frequency transformers?

65. True or False: A multiplexer has multiple outputs.

66. How is the Nyquist rate for a signal related to the bandwidth of the signal?

67. Which of these inductors exhibits more energy losses at higher frequencies?

68. Which of the following is a primary disadvantage of a solid-state amplifier compared with a vacuum-tube amplifier?

69. In a high-pass filter consisting of a resistor and a capacitor, how will the cut-off frequency change if the capacitance is increased?

70. In a low-pass filter consisting of a resistor and a capacitor, how will the cut-off frequency change if the capacitance is increased?

71. What is the name for the configuration in which an operational amplifier (op-amp) has its output connected to the non-inverting input?

72. A high-voltage primary circuit is isolated with the use of an optocoupler on a secondary circuit. Does the addition of the optocoupler add inductance to either circuit?

73. What is the term to describe a multivibrator circuit with two outputs, both of which are stable in time?

74. A JK flip-flop circuit can be assembled entirely from four of which type of digital gate?

75. One 120-VAC circuit has two 60-W light bulbs in parallel and another 120-VAC circuit has a single 100-W bulb. In which circuit is more power dissipated?

76. Which of the following is a primary disadvantage of a vacuum-tube amplifier compared with a solid-state amplifier?

77. What kind of feedback does a thermostat employ?

78. A kilowatt-hour is a typical unit for what quantity?

79. Consider a switch on a high-voltage circuit that is unsafe to operate manually. How might the switch be safely actuated?

80. What standard circuit network often manifests as a "trim" potentiometer?

81. Consider an npn and a pnp transistor connected in series between the positive and negative terminals of a voltage supply. A signal is input to the base of each and output to ground from their collector-emitter connection. What is the common name for this configuration?

82. In which of the following configurations do the capacitor(s) have the smallest individual voltages?

83. On an alternating-current appliance with a three-prong plug, on which lead should the power switch be connected?

84. What do you call a theoretical circuit used in analysis, that retains all of the electrical characteristics of a given circuit?

85. A "Schmitt trigger" is a simple circuit that employs what distinctive element?

86. Which of these is used as a construction base for prototyping of a circuit?

87. True or False? A Fourier-transform spectrometer is suscueptible to Gibbs ringing.

88. Which of these is generally used to measure electrical resistance?

89. A type of logic gate with outputs high, low, and high impedance is called:

90. To what does the "sample rate" of a signal refer?

91. True or False? Differential signalling can be employed in both analog circuits and digital circuits.

92. Which of these is NOT a part of a regular DC power supply?

93. Which of these is an active electronic component?

94. Which of these is a passive electronic component?

95. Which model is generally used for transmission lines?

96. Three-phase alternating-current power is typically distributed on how many independent conductors?

97. A resistor is an element that obstructs the flow of current in a circuit in accordance with

98. In an 8-bit encoding, how many different values can be represented?

99. What are the names of the three terminals on a BJT transistor?

100. What kind of relationship is described for impedences Z1 through Zn in a circuit, by the following equation? Z(eq) = Z1 + Z2 + … + Zn