Below are the answers key for the 100 items set of Practice Examination 2 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. Control unit
2. Flux and speed
3. Charge stored
4. A network consisting of one inductor and two capacitors or two inductors and one capacitor
5. Reluctance
6. increase current capacity
7. Weber
8. A series regulator
9. zero
10. 100 turns
11. The junction diode
12. Tunnel diode
13. row decoders
14. Electrons
15. low permeability
16. be decreased
17. negative and positive ions
18. Reverse current
19. Halved
20. Counter emf
21. 2.4 volts to 200 volts
22. Pi-L-network
23. Isolation transformer
24. The flux density, which exist in the iron core when the magnetic field intensity is reduced to zero.
25. increased voltage supply
26. 2
27. Flip-flop
28. 1 watt or less
29. No current flows from emitter to collector
30. macro-instruction
31. a lower input resistance
32. Eddy
33. Light waves
34. 50.3 MHz
35. Lenz Law
36. Cryogenics
37. 1.77 watts
38. Increase
39. ALU
40. ROM
41. 140 W
42. 5.455 A
43. Access time
44. noise margin
45. Resonance
46. 16
47. 101111
48. OR gate
49. Logic monitor
50. Within 1%
51. Coupling
52. Conductance
53. As an RF detector
54. Lithium
55. Logic probe
56. 4
57. Its internal capacitance varies with the applied voltage
58. Coulomb’s first law
59. C
60. Counter
61. 4 cells
62. A regulator in which the conduction of a control element is varied in direct proportion to the voltage or load current.
63. Electrons
64. more current capacity
65. nibble
66. oxidizing
67. 1.5 V
68. propagation delay
69. Beta
70. Interpreter
71. Retentivity
72. MESFET
73. The frequency at which capacitive reactance equals inductive reactance
74. Damping
75. Code converter
76. Typical power rating of carbon-composition resistors ranged from 0.001 W to 0.1 W
77. Two electrodes of the same metal provide the highest voltage output
78. Linear circuit
79. Phanotron
80. Toroid
81. Ionization
82. Varistor
83. 18.9 kHz
84. as long as power is applied and the memory is refreshed periodically
85. capacitance of inductive coupling from tuned circuit
86. CPU
87. 60
88. Emitter
89. Class A
90. At/Wb
91. 59.5 %
92. They are smaller
93. Increased overall gain
94. Diode resistance is either very low or very high on either direction
95. ionization
96. Bridges
97. flow chart
98. Approximately 1
99. The feedback connection to the error amplifier is made directly to the load
100. an area of low charge density around P-N junction
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