You dont have javascript enabled! Please enable it! Electronics Engineering Review Materials: Section 1 Module 6

Electronics Engineering Review Materials: Section 1 Module 6

Electronics Review Materials: Section 1 Module 6

This is the Section 1 Module 6 of the compiled Electronics Review Materials taken from different sources including but not limited to Electronics books, past Board Exams Questions, Journals and the Internet. This particular reviewer in Electronics Engineering has random Questions and Answers in random topics. Make sure to familiarize each questions to increase the chance of passing the ECE Board Exam.

Electronics Engineering Reviewers: Section 1 Module 6

1. A positive electric pole

has fewer electrons than the negative pole

2. A ferromagnetic material

concentrate magnetic flux line with in itself

3. One advantage of electromagnet meter over permanent-magnet meter is that

the electromagnetic meter is more rugged

4. To measure power supply voltage being used by a circuit, a voltmeter

is placed in parallel with the circuit that works from the supply

5. Which of the following is not function of fuse

to be sure there is enough current available for an appliance to work right

6. A wiring diagram would most likely be found in

-the service/repair manual for a radio receiver

7. You have an unlimited supply of 1 watt, 1000 resistors and you need a 500 resistance rated at 7 W or more. This can be done by assembling

4 sets of 2 1000 ohm resistor in series and connecting these four sets parallel

8. Good engineering practice usually requires that a series parallel resistive network be made

from resistors that are all the same

9. Bleeder resistor

are connected across the capacitor in a power supply

10. An advantage of rheostat over potentiometer is that

can handle more current

11. The chemical energy in a battery or cell

changes to kinetic energy when the cell is used

12. A Weston cell is generally used

as a voltage reference source

13. A direct short circuit of a battery can cause

an explosion

14. Alkaline cells

are generally better in radios than zinc carbon cell

15. Advantage of alkaline cell over a zinc carbon cell is that

alkaline cell works at lower temperature

16. In which of the following place would you most likely choose a lithium battery

a microcomputer memory backup

17. Where might you could find a NICAD battery

in a handheld radio transceiver

18. A disadvantage of mercury cells and batteries is that

they pollute the environment

19. An interactive solar power system

allows a home owner to sell power to the utility

20. Which of the following is not generally possible in a geomagnetic storm

disruption of microwave radio links

21. A device that reverses magnetic field polarity to keep a DC motor rotating is


22. An advantage of magnetic disk as compare with magnetic tape for data storage and retrieval is that

data can be stored and retrieve more quickly with disk than with tapes

23. A bubble memory is best suited for

large computer

24. An application in which an analog meter would almost always be preferred over a digital meter is

signal strength indicator in a radio receiver

25. A hot wire ammeter

can measure AC as well as DC

26. A primitive device for indicating the presence of an electric current is

a galvanometer

27. An advantage of magnetic disk over magnetic tape for data storage is

data storage and retrieval is faster on disk

28. The purpose of a bleeder resistor is to

protect people against the danger of electric shock

29. A material with high permeability

concentrate magnetic lines of flux

30. On a spectrum analyzer, a pure AC signal, having just one frequency component, would look like

a single pip

31. If two wave have the same frequency and the same amplitude but opposite phase the composite wave is


32. Advantage of AC over DC in utility application is

AC is easier to transform from one voltage to another

33. Which of the following does not affect the capacitance of a capacitor

the frequency

34. The inductance of a coil can continuously varied by

varying the net core permeability

35. Inductive susceptance is

negative imaginary

36. Which of the following does not result from adding an acceptor impurity

the substance has an electron surplus

37. If the reverse bias exceeds the avalanche voltage in a PN junction

the junction will conduct current

38. a diode audio limiter circuit

can cause objectionable signal distortion

39. a Gunnplexer can be used as a

communication device

40. the power form of a solar panel depends on all of the following except

– the operating frequency of the panel

41. emission of energy in a IRED is caused by

electron energy level changes

42. a current surge takes places when a power supply is first turn on because

the filter capacitor (s) must be initially charge

43. bleeder resistors are

connected in parallel with filter capacitors

44. the current through the channel of a JFET is directly affected by all of the following except


45. the input impedance of a MOSFET

is extremely high

46. which of the following amplifier types produce the least distortion of the signal wave form

Class A

47. how can a Class C amplifier be made linear

a Class C amplifier cannot be made linear

48. in an oscillator circuit the feedback should be

just enough to sustain oscillation

49. the different sound of musical instruments are primarily the result of

differences in the wave shape

50. Persuading people to get password

Social engineering

51. A RAID of duplicating data

Data mirroring

52. Can tie network together in a wide area


53. Insulator used in MOSFET


54. Another term for logic chip.

– microprocessor

55. Hardware/software comprises in computer system


56. Response time of LCD

100 ms- 300 ms

57. Turn on time of a highly energized SCR

10micro -25 micro seconds

58. Typical range of a variable capacitor CT in a varactor diode

– Picofarad-10 microfarad

59. Reverse resistance of a SCR

100-more than

60. Program made by the programmer employed by the organization is owned by

The organization

61. Typical roll off time of an SCR

20dB/decade and -6db/octave

62. Magnetizing spot represents

– 1bit

63. Program the uses graphic icon


64. Electric unit of power

kilowatt hour

65. Memory is also known as

primary storage

66. A Reel changes in magnetic tape unit

– Supply reel

67. Command that separates word processing from typing

Edit, format, store

68. Kind of CRT with high resolution


69. ______ amplifier provides power in the output device

– Power

70. Built in protection for the user in a computer system

– User profile

71. CIS

Computer Information System

72. Computer professional that test/write softwares

– programmer

73. Person taking the role of a changing agent

– system analyst

74. Which transistor fires on a SCR when on conduct in the conduction band

– both NPN and PNP


IP Switch

76. Computer connected to a tv network

– net computer

77. Signal from computer can be converted before going to the transmission line

– microwave

78. An underlying system

– operating system

79. Error message from a compiler

– diagnostic

80. Free shell that a company can use to create its own computer

– cold site

81. Computer system where the transmit and processing of information in all in one location

– centralized

82. Software that use in public domain

– freeware

83. Reading high or low with forward and reverse bias of a transistor

– faulty device

84. Records of deadlines and milestones usually use

– Ghannt Chart

85. System use in hard disk backup that is the most efficiently for information

– tape backup system

86. Identification device that has a chip that inform the wearer’s location

– active badge

87. Most of the processing are done in the server

– server/client

88. Verifying with find and replace features

Conditional replace

89. Entering data as a by product of the activity

– Source Data Automation

90. Testing of individuals program or module

Unit Testing

91. Certain memory limit

Memory Protection

92. Helps users with software

Information Center

93. History of site

Click Stream

94. Computer and memory is place in disperse location

Distributed Data Processing

95. Scanning of letters and numbers

Wand Reader

96. Language smalltalk is

Object Oriented

97. Movement of holes in a semiconductor

Result in a certain amount of Electric Current

98. Software written for like groups

– Vertical

Section 1 Modules: Reviewers in Electronic Engineering

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