Electronics Quiz

1. QUIZTRONIC S A QUIZ BY Naveen Kumar Email: chd.naveen@gmail.com

2. Common Round

3. Connecting a lead from the negative to the positive of a battery will produce: a) b) c) d) A high resistance circuit A short circuit A low current path An open circuit

4. Connecting a lead from the negative to the positive of a battery will produce: a) b) c) d) A high resistance circuit A short circuit A low current path An open circuit

5. A red-red-red-gold resistor in series with an orange-orange-orange-gold resistor produces: a) b) c) d) 5k5 35,200 ohms 55k None of the above

6. A red-red-red-gold resistor in series with an orange-orange-orange-gold resistor produces: a) b) c) d) 5k5 35,200 ohms 55k None of the above

7. What type of capacitor is often used in power-supply circuits to filter the rectified AC? a) b) c) d) Disc ceramic Vacuum variable Mica Electrolytic

8. What type of capacitor is often used in power-supply circuits to filter the rectified AC? a) b) c) d) Disc ceramic Vacuum variable Mica Electrolytic

9. Which parameter should be kept constant so that Ohm’s law can be applied to a circuit? a) b) c) d) Resistance Current Temperature Voltage

10. Which parameter should be kept constant so that Ohm’s law can be applied to a circuit? a) b) c) d) Resistance Current Temperature Voltage

11. Which motor is NOT suitable for use as a DC machine? a) b) c) d) Permanent magnet motor Series motor Squirrel cage motor Synchronous motor

12. Which motor is NOT suitable for use as a DC machine? a) b) c) d) Permanent magnet motor Series motor Squirrel cage motor Synchronous motor

13. 4 resistors in ascending order are: a) b) c) d) 22R 270k 2k2 1M 4k7 10k 47R 330k 3R3 4R7 22R 5k6 100R 10k 1M 3k3

14. 4 resistors in ascending order are: a) b) c) d) 22R 270k 2k2 1M 4k7 10k 47R 330k 3R3 4R7 22R 5k6 100R 10k 1M 3k3

15. In a full-wave rectifier without filter, the ripple factor is a) b) c) d) 0.482 1.21 1.79 2.05

16. In a full-wave rectifier without filter, the ripple factor is a) b) c) d) 0.482 1.21 1.79 2.05

17. The important characteristic of emitter-follower is a)high input impedance and high output impedance b)high input impedance and low output impedance c) low input impedance and low output impedance d)low input impedance and high output impedance

18. The important characteristic of emitter-follower is a)high input impedance and high output impedance b)high input impedance and low output impedance c) low input impedance and low output impedance d)low input impedance and high output impedance

19. In class–A amplifier, the output current flows for a) b) c) d) a part of the cycle or the input signal. the full cycle of the input signal. half the cycle of the input signal. 3/4th of the cycle of the input signal.

20. In class–A amplifier, the output current flows for a) b) c) d) a part of the cycle or the input signal. the full cycle of the input signal. half the cycle of the input signal. 3/4th of the cycle of the input signal.

21. In an intrinsic semiconductor, the Fermi-level is a) b) c) d) closer to the valence band midway between conduction and valence band closer to the conduction band within the valence band

22. In an intrinsic semiconductor, the Fermi-level is a) b) c) d) closer to the valence band midway between conduction and valence band closer to the conduction band within the valence band

23. Transistor is a a) b) c) d) Current controlled current device. Current controlled voltage device. Voltage controlled current device. Voltage controlled voltage device.

24. Transistor is a a) b) c) d) Current controlled current device. Current controlled voltage device. Voltage controlled current device. Voltage controlled voltage device.

25. Two charges are placed at a small distance. If a glass slab is placed between them, the force between the charges will a) b) c) d) Not change Increase Decrease Reduce to zero

26. Two charges are placed at a small distance. If a glass slab is placed between them, the force between the charges will a) b) c) d) Not change Increase Decrease Reduce to zero

27. It is required to construct a counter to count upto100 (decimal). The minimum number of flip flops required to construct the counter is a) b) c) d) 8 7 6 5

28. It is required to construct a counter to count upto100 (decimal). The minimum number of flip flops required to construct the counter is a) b) c) d) 8 7 6 5

29. The Mutliplexer device is also called as a) b) c) d) Data latching device Data encoder device Data decoder device Data selector device

30. The Mutliplexer device is also called as a) b) c) d) Data latching device Data encoder device Data decoder device Data selector device

31. In boolean algebra A.B = B.A represents _________ law. a) b) c) d) Commutative associative distributive none of the above

32. In boolean algebra A.B = B.A represents _________ law. a) b) c) d) Commutative associative distributive none of the above

33. Which of the following Boolean rules is correct? a) b) c) d) A+0=0 A+1=1 A + A = A.A A + AB = A + B

34. Which of the following Boolean rules is correct? a) b) c) d) A+0=0 A+1=1 A + A = A.A A + AB = A + B

35. The three variable Boolean expression xy + xyz + x y + x y z a) b) c) d) y + xz x + yz y + xz y + xz

36. The three variable Boolean expression xy + xyz + x y + x y z a) b) c) d) y + xz x + yz y + xz y + xz

37. The switching speed of ECL is very high because the transistors a) b) c) d) Are switched between cut off and saturation Are switched between active and saturation Are switched between active and cut off May operate in any of the three regions

38. The switching speed of ECL is very high because the transistors a) b) c) d) Are switched between cut off and saturation Are switched between active and saturation Are switched between active and cut off May operate in any of the three regions

39. stands for a) b) c) d) Analog Memory Devices Advance Micro Devices Automatic Devices Analog Meter Devices

40. stands for a) b) c) d) Analog Memory Devices Advance Micro Devices Automatic Devices Analog Meter Devices

41. stands for     Peace & Globe Programming & Grouping Proctor & Gamble Proctor & Gaming

42. stands for     Peace & Globe Programming & Grouping Proctor & Gamble Proctor & Gaming

43. stands for     Global Evolution General Electronics General Electricals General Electric

44. stands for     Global Evolution General Electronics General Electricals General Electric

45. stands for     Electronics Association Election Agency Electronics Agency Electronics Arts

46. stands for     Electronics Association Election Agency Electronics Agency Electronics Arts

47. stands for     Nuclear Power Corporation of India Limited National Power Corporation of India Limited National Pollution Control Institute Laboratory National Poultry Control Institute Lab

48. stands for     Nuclear Power Corporation of India Limited National Power Corporation of India Limited National Pollution Control Institute Laboratory National Poultry Control Institute Lab

49. stands for     Manitoba Telecom Services Mumbai Telephone Services Mobile TeleSystems Mobile TeleServices

50. stands for     Manitoba Telecom Services Mumbai Telephone Services Mobile TeleSystems Mobile TeleServices

51. UCSLEUN

52. NUCLEUS

53. CLNEOIRESTC

54. ELECTRONICS

55. ONVOTUILE

56. EVOLUTION

57. EVWATGHLEN

58. WAVELENGTH

59. AMRICMXO

60. MICROMAX

61. ZOTCIIEPLECR

62. PIEZOELECTRIC

63. Which of the following Indian cities does not have metro train? a) b) c) d) Kolkata Mumbai Bangalore Bhubaneswar

64. Which of the following Indian cities does not have metro train? a) b) c) d) Kolkata Mumbai Bangalore Bhubaneswar

65. The recently released film 'Kai Po Che' is based on the novel a) b) c) d) Lashkar The Loving Doll The Story of My Marriage The 3 Mistake of My Life

66. The recently released film 'Kai Po Che' is based on the novel a) b) c) d) Lashkar The Loving Doll The Story of My Marriage The 3 Mistake of My Life

67. Most modern TV's draw power even if turned off. The circuit the power is used in does what function? a) b) c) d) Sound Remote control Color balance High voltage

68. Most modern TV's draw power even if turned off. The circuit the power is used in does what function? a) b) c) d) Sound Remote control Color balance High voltage

69. Which of the following is the most stable ecosystem ? a) b) c) d) Desert Mountain Ocean Forest

70. Which of the following is the most stable ecosystem ? a) b) c) d) Desert Mountain Ocean Forest

71. Which one of the following states of India has the highest urban density? a) b) c) d) Maharashtra Punjab Tamil Nadu West Bengal

72. Which one of the following states of India has the highest urban density? a) b) c) d) Maharashtra Punjab Tamil Nadu West Bengal

73. Compact discs, (according to the original CD specifications) hold how many minutes of music? a) b) c) d) 74 mins 56 mins 60 mins 90 mins

74. Compact discs, (according to the original CD specifications) hold how many minutes of music? a) b) c) d) 74 mins 56 mins 60 mins 90 mins

75. Buzzer Round

76. a) b) c) d) Capacitor, Microphone, Potentiometer, Electrolytic Electrolytic, Microphone, Resistor, Capacitor Capacitor, Piezo, Resistor, Electrolytic Electrolytic, Coil, Resistor, Capacitor

77. a) b) c) d) Capacitor, Microphone, Potentiometer, Electrolytic Electrolytic, Microphone, Resistor, Capacitor Capacitor, Piezo, Resistor, Electrolytic Electrolytic, Coil, Resistor, Capacitor

78. Match the logic gates in column A with their equivalents in column B a) b) c) d) P–2, Q-4, R-1, S-3 P-4, Q-2, R-1, S-3 P–2, Q-4, R-3, S-1 P-4, Q-2, R-3, S-1

79. Match the logic gates in column A with their equivalents in column B a) b) c) d) P–2, Q-4, R-1, S-3 P-4, Q-2, R-1, S-3 P–2, Q-4, R-3, S-1 P-4, Q-2, R-3, S-1

80. a) b) c) d) Photo transistor, switch, capacitor, coil Transistor, mercury switch, piezo, coil Photo transistor, reed switch, piezo, coil Photo darlington transistor, reed switch, piezo, coil

81. a) b) c) d) Photo transistor, switch, capacitor, coil Transistor, mercury switch, piezo, coil Photo transistor, reed switch, piezo, coil Photo darlington transistor, reed switch, piezo, coil

82. Which of the following is NOT associated with a p-n junction? a) b) c) d) Junction capacitance Charge Storage Capacitance Depletion Capacitance Channel Length Modulation

83. Which of the following is NOT associated with a p-n junction? a) b) c) d) Junction capacitance Charge Storage Capacitance Depletion Capacitance Channel Length Modulation

84. Which LED is connected correctly? a) b) c) d) A B C D

85. Which LED is connected correctly? a) b) c) d) A B C D

86. Which of the following Boolean Expression correctly represents the relation between P, Q, R and M1? a) b) c) d) M1 = P OR Q XOR R M1 = P AND Q XOR R M1 = P NOR Q XOR R M1 = P XOR Q XOR R

87. Which of the following Boolean Expression correctly represents the relation between P, Q, R and M1? a) b) c) d) M1 = P OR Q XOR R M1 = P AND Q XOR R M1 = P NOR Q XOR R M1 = P XOR Q XOR R

88. A tunnel Diode is also known as a) b) c) d) Esaki Diode Zener Diode Varactor Diode Point-contact Diode

89. A tunnel Diode is also known as a) b) c) d) Esaki Diode Zener Diode Varactor Diode Point-contact Diode

90. What is the relationship between current (I) and voltage (E) in a circuit consisting of a capacitor in series with a resistor? a) b) c) d) I and E are in phase across the capacitor. I leads E across the resistor. E leads I across the capacitor. I and E are in phase across the resistor.

91. What is the relationship between current (I) and voltage (E) in a circuit consisting of a capacitor in series with a resistor? a) b) c) d) I and E are in phase across the capacitor. I leads E across the resistor. E leads I across the capacitor. I and E are in phase across the resistor.

92. Sequential Code is________Code. a) b) c) d) Gray Code 8421 Code 5211 Code ASCII Code

93. Sequential Code is________Code. a) b) c) d) Gray Code 8421 Code 5211 Code ASCII Code

94. Which type of software can translate scanned text in to text that you can edit? a) b) c) d) OCR ORC OCS OMR

95. Which type of software can translate scanned text in to text that you can edit? a) b) c) d) OCR ORC OCS OMR

Electronics Quiz

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Electronics Quiz