Electronics Engineering Exam 7: ECE Pre-Board – Answers

(Last Updated On: December 8, 2017)

Electronics Engineering Exam 7 - Answers

Below are the answers key for the 100 items set of Practice Examination 7 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. Sorting

2. FORTRAN

3. 30 or 60 MHz

4. Tachometer

5. Vibrating-reed devices or tuned circuits

6. Zero beating

7. Heterodyning

8. Cavity wavemeter

9. Zero beating

10. Spectrum analyzer

11. Cathode-ray oscilloscope(CRO or O-SCOPE)

12. Electronic frequency counter

13. Wavemeters

14. Beat frequency

15. Stroboscope

16. Stroboscope

17. Strobotac

18. Chronometric tachometer

19. Barretter

20. Thermistor

21. Thermocouple ammeter

22. 600 rpm

23. 250 hours

24. 100 hours

25. Tuned circuits

26. Two

27. Four

28. By varying the input voltage to the field coils

29. Amplidynes

30. 10,000

31. Compound-wound dc generators

32. P-type material

33. The gate terminal

34. The dual-gate MOSFET

35. To prevent damage from static electricity

36. 1:1000

37. Photovoltaic cell

38. One

39. Variable resistor

40. A voltage gradient

41. From base 1 to the emitter

42. High input impedance

43. The SCR is primarily used for switching power on or off

44. A gate signal

45. The forward bias must be reduced below the minimum conduction level

46. SCR

47. During both alternations

48. Forward bias

49. Very low

50. Variable capacitance

51. The depletion region decreases

52. Capacitance decreases

53. The minority carriers

54. Zener effect and avalanche effect

55. Zener effect

56. Electrons

57. Wien bridge oscillator

58. Secondary emission

59. Cathode biasing

60. All of the choices

61. Analog

62. Speed and efficiency

63. Special-purpose

64. Continuous electrical or physical conditions

65. Mechanical or electromechanical

66. Hybrid computers

67. Fair child 709

68. The capacitor filter

69. From 1 to 20 H

70. 120 Hz

71. Ada

72. Transistor

73. Information

74. Zero

75. Negative feedback

76. Anion

77. The potential difference depends on the diameter of the conductor that cuts the magnetic field

78. 1 to 2 V

79. An ideal voltage source can be in parallel with an open circuit

80. 10 kW

81. The power in watts, voltage and current

82. 0.707

83. 7.95

84. Floating state

85. Thermal energy

86. Electrostatic field

87. Period

88. Leakage flux

89. Integrated circuit

90. Number of valence electrons

91. Electrostatic field

92. Energy

93. Electrochemical action

94. 135 V

95. Flywheel effect

96. Monostable multivibrator

97. Kinetic energy

98. 1.275 to 1.300

99. Gunn effect

100. Charge storage

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Complete List of Electronics Engineering Exams: ECE Pre-Board

Electronics Engineering Exam 7: ECE Pre-Board – Answers
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