This is the Section 2 Module 9 of the compiled Electronics Review Materials taken from different sources including but not limited to Electronics books, past Board Exams Questions, Journals and the Internet. This particular reviewer in Electronics Engineering has random Questions and Answers in random topics. Make sure to familiarize each questions to increase the chance of passing the ECE Board Exam.
Electronics Engineering Reviewers: Section 2 Module 9
1. Zero-biased FET
Ans. all the way open
2. If PNP is replaced with NPN
Ans. reverse the supply voltage
3. Hierarchical structure for organizing and searching
ans. Gopher
4. center PC and several PCs
ans. client/server
5. NOS…. client computer and a part of ___
Ans. server
6. Larger capacitive elements
Ans. Low cut-off frequency
7. Small capacitive elements
Ans. high cut-off frequency
8. Q is dependent on
Ans. frequency and bandwidth
9. Multiplying factor of an integrator
Ans. -1/RC
10. RL plane is
Ans. combination of resistance and inductive reactance
11. R - jXC
Ans. combination of resistance and reactance
12. Differential output of op-amp with two in-phase inputs
Ans. common gain times input signal
13. Input-output relationship is ______ due to ____ term of Schmitt
Ans. nonlinear, squared
14. Series resistance decrease, zener current
Ans. increase
15. Reverse saturation current is composed of minority carrier and
Ans. surface leakage current
16. Pulse output
Ans. class D
17. Push-pull, most commonly used amplifier
Ans. class B
18. Diode detectors are used in
Ans. Radio receivers
19. Input frequency change by changing dc voltage
Ans. VCO
20. Steady/stable OTA is composed of
Ans. transconductance and load resistor
21. A step unit input when integrated produces a
Ans. a ramp function
22. In a R-S flipflop, what are the inputs?
Ans. Reset, Set
23. 6th harmonic
Ans. 6KHz
24. Period is also defined as
Ans. reciprocal of frequency
25. When met with a disaster
Ans. loss of processing ability
26. Centralized processing system with access from terminals
Ans. teleprocessing system
27. NOS
Ans. operating system for networks
28. For good overall voltage
Ans. Rs and RL product and evaluate individually
29. Phase angle
Ans. arctan of X/R
30. In series RL, as resistance goes lesser than reactance, phase angle goes
Ans. 90 degrees
31. Operating environment
Ans. shell
32. As –XC/R goes zero, the phase angle gets closer to
Ans. 0 degrees
33. Dc up to cut-off frequency, disregarding higher frequencies
Ans. low pass filter
34. Knee voltage is also known as
Ans. barrier potential
35. X=1, Y+1, X+YZ is
Ans. always 1
36. Voltage gain
Ans. 1
37. When VGS is less than the pinch off voltage
Ans. drain current is zero
38. Silicon potential barrier is
Ans. 0.7 V
39. What is true
Ans. Si has higher PIV and wider temperature range than Ge
40. Midrange open-loop
Ans. 0 Hz to upper critical frequency
41. Norton
Ans. ideal current source and parallel resistor
42. Thevenin
Ans. ideal voltage source and series resistor
43. Ideal current source
Ans. large internal resistor
44. State variable filter is composed of
Ans. one summing amplifier and two integrators
45. Conductor with zero resistance
Ans. ideal approximation
46. Voltage with internal resistance
Ans. second order approximation
47. The ____ source resistance, the ____ load resistance has less voltage gain
Ans. larger, smaller
48. Copper has how many protons
Ans. 29
49. Which of the following is not practical to manufacture in Ics
Ans. inductor
50. N-type
Ans. adding impurity donors
51. Image resolution is also
Ans. dot pitch
52. If valence electron of copper is removed, the net charge is
Ans. +1
53. Page frame has
Ans. 2KB or 4KB
54. When Insulting messages are sent, it is known as
Ans. flaming
55. Rectangular division
Ans. frames
56. A flowchart is
Ans. the plan solution
57. when physical destructions approach, one should have
Ans. disaster recovery plan
58. Bipolar MOSFET is also
Ans BiMos
59. The cut-off frequency
Ans. -3dB
60. An oxygen has eight protons and eight neutrons. If two neutrons are added, what is the atomic weight
Ans. 18
61. The output of a bridge rectifier is
Ans. a fullwave rectifier
62. Variable capacitance
Ans. varactor diode
63. The differential output of an op-amp is
Ans. Sum of the differential gain times the difference of inputs and common gain times the input
64. In a FET, input is injected to
Ans. the gate
65. In differential amplifiers, two terminals which are connected to each other are the
Ans. bases
66. Varactor diode
Ans. frequency synthesizer
67. Crystal oscillator is known for its
Ans. stability
68. VDB has
Ans. stability
69. Frequency stabilizer has
Ans. exceptional stability
70. Appearance and disappearance of holes
Ans. lifetime
71. Derivative of sine wave
Ans. instantaneous rate
72. JFET is a ___-controlled device
Ans. voltage
73. Due to stray and parasitic elements, the cut-off frequency is
Ans. high
74. Secured waste,,,, and applicant screening
Ans. data security
75. Silicon at room temperature
Ans. insulator
76. OTA is
Ans. voltage-to-current amplifier
77. Transistor was introduced in
Ans. 1940’s
78. Heat sink is to reduce
Ans. junction heat
79. Has stable current
Ans. transistor/zener
80. Why do amplifiers have two load lines
Ans. they have two equivalent circuits
81. Comparator with hysteresis
Ans. output is fed to the non-inverting input
82. On normal operation , the diode in the collector is in ___
Ans. reverse biased
83. For zener diode not to be destroyed, the current must be less than
Ans. the maximum current rating
84. Ans. proportional to the weights of the input
85. In an ideal op-amp, if inputs are zero, the out is ___
Ans. zero
86. If the dielectric constant increase,
Ans. the capacitance increase per volume
87. If the capacitance has negative temperature coefficient,
Ans. the reactance decrease when temp increases
88. Capacitive susceptance is
Ans. positive and imaginary
89. A RAM
Ans. easy to get data out and put it in
90. Reverse saturation current doubles for every ____ celsius increase in temperature
Ans. 10 degrees
91. Holding current SCR
Ans. turn off when anode current falls out
92. Origin of magnetic flux
Ans. at the north of the magnetic pole
93. Bar graph
Ans. do not give precise readings
94. Data along with instructions are given
Ans. encapsulation
Post a Comment