The “Open Quiz – Module 4 (B2 EASA | Sections 4.2 & 4.3) – 12 January, 2025” was crafted using the latest ChatGPT-4o engine from OpenAI. Designed to align seamlessly with the EASA Part-66 B2 syllabus, this quiz focuses on Sections 4.2 and 4.3, ensuring comprehensive coverage of avionics systems and electronic components.
Featuring 80 carefully structured multiple-choice questions (MCQs), this quiz strikes a perfect balance between theoretical understanding and practical application. Leveraging the enhanced capabilities of ChatGPT-4o, each question is intelligently designed with medium difficulty to challenge learners while reinforcing core concepts essential for future aircraft maintenance engineers.
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Question 1 of 120
1. Question
What is the barrier potential of a Silicon diode?
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Question 2 of 120
2. Question
In forward bias, which direction do electrons move in a diode?
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Question 3 of 120
3. Question
What happens to the leakage current in a Germanium diode for every 10°C increase in temperature?
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Question 4 of 120
4. Question
Which material is preferred for high-temperature diode applications?
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Question 5 of 120
5. Question
What is the typical threshold voltage for a Silicon diode to conduct?
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Question 6 of 120
6. Question
What is the primary function of a Zener diode?
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Question 7 of 120
7. Question
Which diode has a metal-semiconductor junction?
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Question 8 of 120
8. Question
What is the reverse recovery time in diodes measured in?
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Question 9 of 120
9. Question
What is the maximum forward voltage drop for a Schottky diode?
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Question 10 of 120
10. Question
What is the main difference between a photodiode and an LED?
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Question 11 of 120
11. Question
What defines the breakdown voltage of a diode?
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Question 12 of 120
12. Question
How does avalanche breakdown occur in a diode?
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Question 13 of 120
13. Question
What happens when a diode is reverse biased?
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Question 14 of 120
14. Question
Which diode is most suitable for high-frequency switching applications?
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Question 15 of 120
15. Question
What is the Peak Inverse Voltage (PIV) of a diode?
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Question 16 of 120
16. Question
In a PN junction, what creates the depletion layer?
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Question 17 of 120
17. Question
Which component is essential for limiting current through an LED?
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Question 18 of 120
18. Question
What is the function of a Thyristor?
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Question 19 of 120
19. Question
Which component is used in voltage rectifiers?
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Question 20 of 120
20. Question
What does a Varactor diode control?
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Question 21 of 120
21. Question
Which diode is used in reverse bias for voltage regulation?
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Question 22 of 120
22. Question
What is the function of the gate in a Thyristor?
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Question 23 of 120
23. Question
What is the doubling rate of leakage current in Silicon diodes with temperature rise?
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Question 24 of 120
24. Question
What defines the Avalanche Breakdown in a diode?
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Question 25 of 120
25. Question
Which diode is used in AC to DC conversion?
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Question 26 of 120
26. Question
Which diode has a lower forward voltage drop compared to others?
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Question 27 of 120
27. Question
What is the barrier potential of a Germanium diode?
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Question 28 of 120
28. Question
Which diode is used in tuning radio frequencies?
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Question 29 of 120
29. Question
How does a diode act in a series configuration?
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Question 30 of 120
30. Question
What happens to the depletion layer in reverse bias?
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Question 31 of 120
31. Question
Which diode can handle high surge currents?
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Question 32 of 120
32. Question
What happens to a diode’s leakage current as temperature increases?
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Question 33 of 120
33. Question
Which component limits the voltage in a circuit?
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Question 34 of 120
34. Question
How is a photodiode biased for operation?
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Question 35 of 120
35. Question
What is the forward voltage of a Germanium diode?
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Question 36 of 120
36. Question
Which diode has the fastest switching capability?
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Question 37 of 120
37. Question
What is the primary function of a limiter circuit?
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Question 38 of 120
38. Question
What is the role of a clamping circuit?
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Question 39 of 120
39. Question
Which diode has a depletion layer that varies with voltage?
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Question 40 of 120
40. Question
What is the typical power usage of an LED?
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Question 41 of 120
41. Question
What is the primary function of the emitter in a BJT?
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Question 42 of 120
42. Question
In a BJT, why is the base region very thin?
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Question 43 of 120
43. Question
What is the majority carrier in an NPN transistor?
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Question 44 of 120
44. Question
Which effect causes hFE to increase with VCE in a BJT?
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Question 45 of 120
45. Question
What is the phase shift in a common-emitter amplifier?
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Question 46 of 120
46. Question
Which configuration offers the highest voltage gain in BJTs?
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Question 47 of 120
47. Question
Which biasing technique provides the best stability against β changes?
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Question 48 of 120
48. Question
What is the typical doping level of the collector region in a BJT?
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Question 49 of 120
49. Question
What determines the conduction type of a MOSFET?
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Question 50 of 120
50. Question
Which transistor configuration has the lowest input impedance?
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Question 51 of 120
51. Question
Which region does a transistor operate in as an amplifier?
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Question 52 of 120
52. Question
What causes thermal runaway in BJTs?
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Question 53 of 120
53. Question
In a PNP transistor, which is the majority carrier?
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Question 54 of 120
54. Question
Which transistor type is used in high-frequency applications?
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Question 55 of 120
55. Question
What is the unit of transistor current gain (β)?
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Question 56 of 120
56. Question
In a JFET, which terminal controls the flow of current?
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Question 57 of 120
57. Question
Which transistor is commonly used in digital ICs?
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Question 58 of 120
58. Question
Which amplifier class is the most efficient?
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Question 59 of 120
59. Question
What is the collector current in terms of β and base current?
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Question 60 of 120
60. Question
Which region causes amplification in a BJT?
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Question 61 of 120
61. Question
Which biasing technique minimizes thermal runaway?
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Question 62 of 120
62. Question
What is the role of the base resistor in transistor biasing?
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Question 63 of 120
63. Question
In a MOSFET, what insulates the gate from the channel?
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Question 64 of 120
64. Question
What does a push-pull amplifier reduce?
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Question 65 of 120
65. Question
Which amplifier class is most linear?
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Question 66 of 120
66. Question
Which amplifier configuration is used for impedance matching?
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Question 67 of 120
67. Question
What causes crossover distortion?
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Question 68 of 120
68. Question
Which device is best for voltage amplification?
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Question 69 of 120
69. Question
Which configuration gives no phase shift in output?
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Question 70 of 120
70. Question
Which transistor operates in the depletion and enhancement modes?
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Question 71 of 120
71. Question
What parameter measures transistor stability?
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Question 72 of 120
72. Question
What happens to β in Early Effect?
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Question 73 of 120
73. Question
Which amplifier class is ideal for RF amplification?
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Question 74 of 120
74. Question
Which FET has a high input impedance?
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Question 75 of 120
75. Question
In voltage divider bias, which resistor stabilizes the base voltage?
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Question 76 of 120
76. Question
What is the cut-off region in a transistor?
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Question 77 of 120
77. Question
Which factor improves amplifier gain bandwidth?
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Question 78 of 120
78. Question
What is the function of a multivibrator circuit?
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Question 79 of 120
79. Question
Which component prevents thermal runaway in a BJT?
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Question 80 of 120
80. Question
Which transistor is faster in switching?
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Question 81 of 120
81. Question
What is the primary function of the collector in a BJT?
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Question 82 of 120
82. Question
Which transistor configuration provides the highest voltage gain?
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Question 83 of 120
83. Question
In a BJT, which region is the thinnest and lightly doped?
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Question 84 of 120
84. Question
What causes the Early Effect in BJTs?
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Question 85 of 120
85. Question
Which amplifier class offers the highest efficiency?
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Question 86 of 120
86. Question
Which transistor biasing method provides the best thermal stability?
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Question 87 of 120
87. Question
In a MOSFET, which terminal controls the current flow?
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Question 88 of 120
88. Question
What is the conduction angle of a Class A amplifier?
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Question 89 of 120
89. Question
Which effect leads to thermal runaway in a transistor?
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Question 90 of 120
90. Question
In a BJT, which region dissipates the most heat?
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Question 91 of 120
91. Question
Which device is faster for switching applications?
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Question 92 of 120
92. Question
What is the main function of the emitter resistor in a BJT circuit?
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Question 93 of 120
93. Question
Which configuration provides impedance matching in BJTs?
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Question 94 of 120
94. Question
What is the primary carrier in a PNP transistor?
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Question 95 of 120
95. Question
Which configuration introduces a 180° phase shift in output?
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Question 96 of 120
96. Question
Which amplifier class eliminates crossover distortion?
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Question 97 of 120
97. Question
In an NPN transistor, electrons move from:
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Question 98 of 120
98. Question
Which configuration has the highest input impedance?
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Question 99 of 120
99. Question
What defines the current gain in a BJT?
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Question 100 of 120
100. Question
What is the main advantage of MOSFETs over BJTs?
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Question 101 of 120
101. Question
What determines the cut-off region in a transistor?
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Question 102 of 120
102. Question
Which amplifier is most efficient for RF applications?
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Question 103 of 120
103. Question
Which type of feedback improves amplifier bandwidth?
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Question 104 of 120
104. Question
Which transistor operates solely with majority carriers?
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Question 105 of 120
105. Question
In biasing, which method uses both emitter and base resistors?
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Question 106 of 120
106. Question
Which amplifier has the highest linearity?
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Question 107 of 120
107. Question
What is the main drawback of a Class B amplifier?
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Question 108 of 120
108. Question
What is the function of the gate in a MOSFET?
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Question 109 of 120
109. Question
Which transistor is used in power amplification?
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Question 110 of 120
110. Question
Which amplifier configuration is non-inverting?
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Question 111 of 120
111. Question
Which amplifier class is biased at the cutoff point?
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Question 112 of 120
112. Question
What prevents thermal runaway in transistors?
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Question 113 of 120
113. Question
What is the function of a coupling capacitor?
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Question 114 of 120
114. Question
What is the purpose of the base in a BJT?
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Question 115 of 120
115. Question
In an NPN transistor, the base-emitter junction is:
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Question 116 of 120
116. Question
Which device offers the fastest switching speed?
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Question 117 of 120
117. Question
Which amplifier configuration offers the lowest voltage gain?
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Question 118 of 120
118. Question
What is the relationship between IE, IB, and IC in a BJT?
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Question 119 of 120
119. Question
Which amplifier class has the lowest efficiency?
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Question 120 of 120
120. Question
Which amplifier configuration is best for general amplification?
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Author
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Omar Hayat Khan serves as the Director of NIVT (NASTP Institute of Vocational Training) at NASTP Alpha, Rawalpindi, Pakistan. He is dedicated to equipping individuals with the necessary skills and technical knowledge to thrive in the aviation industry. Through rigorous training programs and innovative teaching methods, he fosters a learning environment that promotes excellence and empowers students to reach their full potential.
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