Below are the answers key for the 100 items set of Practice Examination 10 in Electronics Engineering composed of previous Board Exams Questions and cautiously selected questions from various topics in Electronics Engineering that could possibly be given in the board.
1. A. Respiratory failure
2. B. Fatal
3. B. Electric shock
4. D. tachometer
5. A. vibrating-reed devices or tuned circuits
6. B. zero beating
7. B. Heterodyning
8. C. Cavity wavemeter.
9. B. Zero beating
10. D. Spectrum analyzer
11. C. Cathode-Ray Oscilloscope (CRO or O-SCOPE)
12. D. Electronic Frequency Counter
13. B. Wavemeters
14. A. Beat frequency
15. D. Stroboscope
16. D. Stroboscope
17. B. Strobotac
18. A. Chronometric tachometer
19. C. Barretter
20. D. Thermistor
21. A. Thermocouple ammeter
22. A. 600 rpm
23. A. 250 hours
24. C. 100 hours
25. A. Tuned circuits
26. B. Two
27. D. Four
28. A. By varying the input voltage to the field coils
29. A. Amplidynes
30. B. 10,000
31. D. Compound-wound dc generators
32. A. P-type material
33. B. The gate terminal.
34. C. The dual-gate MOSFET.
35. A. To prevent damage from static electricity.
36. A. 1:1000
37. B. Photovoltaic cell
38. A. One
39. C. Variable resistor
40. B. A voltage gradient
41. A. From base 1 to the emitter.
42. B. High input impedance.
43. C. The SCR is primarily used for switching power on or off.
44. D. A gate signal.
45. A. The forward bias must be reduced below the minimum conduction level.
46. C. SCR
47. A. During both alternations.
48. A. Forward bias
49. C. Very low
50. B. Variable capacitance
51. A. The depletion region decreases.
52. B. Capacitance decreases.
53. B. The minority carriers.
54. A. Zener effect and avalanche effect.
55. C. Zener effect
56. B. 42
57. A. 340 V
58. B. Secondary emission
59. C. Cathode biasing
60. D. All of the choices
61. A. Analog
62. C. Speed and efficiency
63. A. Special-purpose
64. D. Continuous electrical or physical conditions.
65. A. Mechanical or electromechanical
66. B. Hybrid computers
67. A. 10 to 50 degrees Celsius
68. A. The capacitor filter
69. B. From 1 to 20 H
70. A. 120 Hz
71. A. Ada
72. D. Transistor
73. B. Information
74. A. Infinity
75. D. Negative feedback
76. C. anion
77. D. The potential difference depends on the diameter of the conductor that cuts the magnetic field.
78. A. 0.09 Ω
79. B. An ideal voltage source can be in parallel with an open circuit.
80. B. 10 kW
81. C. The power in watts, voltage and current
82. B. 0.707
83. D. 7.95
84. B. Floating state
85. C. Thermal energy
86. C. Electrostatic field
87. D. Period
88. B. Leakage flux
89. B. Integrated circuit
90. C. Number of valence electrons
91. D. Electrostatic field
92. B. Energy
93. D. Electrochemical action
94. C. 135 V
95. C. Flywheel effect
96. C. 10.79 N
97. D. Kinetic energy
98. D. 1.275 to 1.300
99. A. Gunn effect
100. A. Charge storage
What's next in line?
- Electronics Engineering Mastery Test 11: ECE Pre-Board
Post a Comment
EmoticonClick to see the code!
To insert emoticon you must added at least one space before the code.