PinoyBIX Engineering Problem Solving and Reference

Below are the answers key for the 100 items set of Practice Examination 10 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. A. Respiratory failure

2. B. Fatal

3. B. Electric shock

4. D. tachometer

5. A. vibrating-reed devices or tuned circuits

6. B. zero beating

7. B. Heterodyning

8. C. Cavity wavemeter.

9. B. Zero beating

10. D. Spectrum analyzer

11. C. Cathode-Ray Oscilloscope (CRO or O-SCOPE)

12. D. Electronic Frequency Counter

13. B. Wavemeters

14. A. Beat frequency

15. D. Stroboscope

16. D. Stroboscope

17. B. Strobotac

18. A. Chronometric tachometer

19. C. Barretter

20. D. Thermistor

21. A. Thermocouple ammeter

22. A. 600 rpm

23. A. 250 hours

24. C. 100 hours

25. A. Tuned circuits

26. B. Two

27. D. Four

28. A. By varying the input voltage to the field coils

29. A. Amplidynes

30. B. 10,000

31. D. Compound-wound dc generators

32. A. P-type material

33. B. The gate terminal.

34. C. The dual-gate MOSFET.

35. A. To prevent damage from static electricity.

36. A. 1:1000

37. B. Photovoltaic cell

38. A. One

39. C. Variable resistor

40. B. A voltage gradient

41. A. From base 1 to the emitter.

42. B. High input impedance.

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

44. D. A gate signal.

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

46. C. SCR

47. A. During both alternations.

48. A. Forward bias

49. C. Very low

50. B. Variable capacitance

51. A. The depletion region decreases.

52. B. Capacitance decreases.

53. B. The minority carriers.

54. A. Zener effect and avalanche effect.

55. C. Zener effect

56. B. 42

57. A. 340 V

58. B. Secondary emission

59. C. Cathode biasing

60. D. All of the choices

61. A. Analog

62. C. Speed and efficiency

63. A. Special-purpose

64. D. Continuous electrical or physical conditions.

65. A. Mechanical or electromechanical

66. B. Hybrid computers

67. A. 10 to 50 degrees Celsius

68. A. The capacitor filter

69. B. From 1 to 20 H

70. A. 120 Hz

71. A. Ada

72. D. Transistor

73. B. Information

74. A. Infinity

75. D. Negative feedback

76. C. anion

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

78. A. 0.09 Ω

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

80. B. 10 kW

81. C. The power in watts, voltage and current

82. B. 0.707

83. D. 7.95

84. B. Floating state

85. C. Thermal energy

86. C. Electrostatic field

87. D. Period

88. B. Leakage flux

89. B. Integrated circuit

90. C. Number of valence electrons

91. D. Electrostatic field

92. B. Energy

93. D. Electrochemical action

94. C. 135 V

95. C. Flywheel effect

96. C. 10.79 N

97. D. Kinetic energy

98. D. 1.275 to 1.300

99. A. Gunn effect

100. A. Charge storage

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• Electronics Engineering Mastery Test 11: ECE Pre-Board

Complete List of Electronics Engineering Exams: ECE Pre-Board

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Below are the answers key for the 100 items set of Practice Examination 9 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. 2

2. 2

3. 7

4. 69.3 ms

5. 5.386 W

6. 2L_A (1+k)

7. 0.277 ms

8. Excitor

9. Shunted

10. 60 kg

11. Cincinatti T3

12. 6

13. Closed-loop system

14. Rigidity

15. 2e^-100tcos 100t

16. 1.25

17. Baryons

18. Mesons

19. h/4π

20. Effectivity product

21. Walk

22. Ferrimagnetism

23. Pulse width

24. Sag or dip

25. Correspondence

26. Spike

27. 64

28. Service factor

29. 7.4

30. 1.15 to 1.4

31. Three

32. Critical

33. 105°C

34. Class H

35. All of the choices

36. 130°C

37. Very narrow

38. Class F

39. 1%

40. 2 and 3 µm

41. 1 µm

42. Circuit control devices

43. Accumulator

44. Forward-breakover voltage

45. Velocity servo

46. Make-before-break

47. Split capacitor

48. Hydrometer

49. ± 5%

50. Ignitron

51. Electroacoustics

52. Electroencephalogram

53. Digital subtraction anglography

54. TR tube

55. Filament or heater voltage

56. The pair of catcher grids

57. 20%

58. 0.05 volt

59. Voltage fluctuations from load to no-load

60. Full load to no load

61. 1.8 hours

62. 15 volts

63. 2400 volts

64. The 150 volt winding

65. Swinging choke

66. Hartley oscillator

67. By using a current transformer and a capacitor shunt

68. 0.9

69. Tunnel diodes

70. As VHF and UHF mixers and detectors

71. 1.7 volts and 20 mA

72. Forward bias

73. ROM—Read-Only Memory

74. 6 kHz at -6 dB

75. Etching and grinding

76. Hunting

77. Greater than 10 to 1

78. Ease of handling and protection from damage

79. rem

80. Bonding wires

81. Magnetic susceptibility

82. Beam-lead chip

83. Microcircuit module

84. discharging the cells

85. Frequency multipliers

86. Electrolytic

87. Electrolytic

88. Specific inductive capacity

89. A swamping resistor

90. Quiescence

91. 1.280-1.300

92. A, B, C and D

93. Decreases linearity

94. Current flows through the component is limited to 1 mA

95. reduced, increased

96. two

97. A, B, C, D and E

98. Number of symbols used in the system

99. state of charge

100. Band-pass

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• Electronics Engineering Exam 10: ECE Pre-Board

Complete List of Electronics Engineering Exams: ECE Pre-Board

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Below are the answers key for the 100 items set of Practice Examination 8 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. Differential voltmeter

2. Frequency stability

3. Synchros

4. Servo

5. Ceramic capacitor

6. Flux

7. Average power

8. Gyroscope

9. Thyratron

10. Series

11. Rigidity

12. 500

13. 60 Hz or 400 Hz

14. Corrective maintenance

15. 2 V

16. Torque vector

17. A,B,C and D

18. 600 to 30 GHz

19. Blocking oscillator

20. Midscale

21. 50 to 10 kΩ

22. Revolution

23. 5 V

24. 1 MHz and 10 MHz

25. Counterclockwise

26. Target resolution

27. ± 5 %

28. Working voltage

29. Degree of freedom

30. Electronics

31. amplitude, polarity

32. use the left-hand rule for coils

33. Synchronizer

34. perpendicular to the force

35. AC

36. green, black, black and gold

37. both A and C

38. UTC chart

39. paper capacitor

40. paper

41. high torque (turning force) at low speed

42. sulfuric acid

43. 1852

44. revolver

45. potassium hydroxide and water

46. stator

47. zeroing

48. Thermoplastic

49. rotary switch

50. amplitude, phase

51. all of the choices

52. all of the choices

53. the north pole of the compass will point in the directions of the magnetic lines of force

54. magnetic amplifiers

55. rigidity

56. reverse synchros

57. all of the choices

58. rating

59. all of the choices

60. according to their functions

61. all of the choices

62. closed-loop control system

63. roughness

64. correction voltage

65. both A and C

66. Aβ = 1

67. sponge lead

68. sweep generator

69. underdamped system

70. all of the choices

71. friction clutch damping

72. gassing

73. Colpitt’s oscillator

74. 50 V

75. class AB

76. class C

77. zinc container

78. wirewound resistor

79. fresh water

80. dielectric field

81. snap-acting switch

82. microswitch

83. hysteresis loss

84. soft iron

85. 1000

86. blocking factor

87. motor reversal

88. armature reaction

89. troubleshooting

90. CALIBRATE

91. all of the choices

92. ground potential

93. all of the choices

94. mutual inductance

95. in the early 1950’s

96. no more than 10

97. 10 to 50 degrees Celsius

98. over 100 million

99. generations

100. firmware

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• Electronics Engineering Exam 9: ECE Pre-Board

Complete List of Electronics Engineering Exams: ECE Pre-Board

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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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• Electronics Engineering Exam 8: ECE Pre-Board

Complete List of Electronics Engineering Exams: ECE Pre-Board

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Below are the answers key for the 100 items set of Practice Examination 6 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. Matter

2. 0.74 ohms

3. Gallium

4. Discharging the cells

5. Frequency multipliers

6. increase the voltage range

7. Hybrid IC

8. Electrocardiograph

9. 10000

10. Suppressor grid

11. Magnetomotive force

12. Respiratory failure

13. One

14. Air core transformer

15. 2

16. Aluminum

17. cut off region

18. Electroscope

19. Program

20. Magnetic flux

21. Octode

22. Hydrogen

23. Soft magnetic materials

24. An ohmmeter test across the base-collector of a transistor should show high resistance in the opposite polarity

25. Dynamotor

26. one

27. The resistance of the coil and inductor

28. Moving either the magnet or the coil

29. Printed circuit board (PCB)

30. Dual or double speed synchro system

31. NOR Gate

32. Armature reaction

33. That frequency at which the grounded emitter current gain has decreased to 0.7 of that obtainable at 1 kHz in a transistor

34. Integrated Circuit (IC)

35. Servo

36. Computer literacy

37. continuous-path programs

38. Inclinometer

39. Voltage regulation

40. Forward bias

41. Volt ampere

42. UNIVAC

43. Reluctance

44. IBM-701

45. Atom

46. larger

47. Both column and row decoders

48. Resonant frequency

49. Hydraulic

50. Mixture

51. Wafer

52. Computerized Tomography (CT) or Computerized Axial Tomography (CAT)

53. Phototransistor

54. Micro- electronics

55. The NiCd cell is primary type

56. Magnetic field

57. Precession

58. Control transformer

59. To obtain instruction

60. Battery charge

61. Extrinsic

62. Astable multi-vibrators

63. Potentiometer

64. By magnetic coupling from the rotor

65. Epitaxial

66. Output device

67. Negative biasing

68. Differentials synchros can handle more signal and also perform addition and subtraction functions

69. Field intensity

70. Isolation

71. Spectroscopy

72. Only a, c and d

73. Only b and c

74. Interpoles and compensating windings

75. Position servo

76. Glass cockpit

77. Feedback

78. Use to block signal

79. Diamagnetic

80. Microcircuit module

81. Colpitts oscillator

82. Base current bias of fixed bias

83. Linearity

84. as large as possible

85. Pulsed oscillator

86. Dual-gate MOSFET

87. Attract each other

88. In a direction determined by the left hand rule

89. Polarity of source voltage

90. To provide higher amplification factor of the tube

91. Summing amplifier

92. System packaging

93. Lenz’s law

94. Beam-lead chip

95. The phenomenon where RF current flows in a thinner layer of the conductor, close to the surface, as frequency increases.

96. Magnetic susceptibility

97. Ferrite

98. Magnetic induction

99. Class C

100. Bonding wires

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• Electronics Engineering Exam 7: ECE Pre-Board

Complete List of Electronics Engineering Exams: ECE Pre-Board

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Below are the answers key for the 100 items set of Practice Examination 5 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. atom

2. 5

3. Protons, electrons, and nucleus

4. It is made up of protons and neutrons.

5. 14

6. 32

7. M

8. In the most distant orbit from the nucleus

9. When a valence electron breaks away from the atom

10. When an atom gains an extra valence electron

11. Silicon

12. Conduction band

13. By thermal energy

14. recombination

15. All of the choices

16. eight valence electrons, four of its own and four shared

17. By both electrons and holes

18. Both A and B above

19. All of the choices

20. Doping

21. Trivalent

22. To increase number of free electrons

23. Conduction electrons

24. Minority carriers that are thermally produced

25. By the boundary of p-type and n-type material

26. All of the choices

27. Positive and negative ions

28. The dc voltage applied to control the operation of the devices

29. Either A and B above

30. The current is produced by both holes and electrons

31. Minority carriers

32. Greater than 0.7 V

33. When forward-biased

34. The diode barrier potential

35. forward-biased

36. Equal to the average value of the rectified voltage

37. increases

38. A half-wave rectified voltage

39. voltage but not for current

40. more positive than the anode

41. The changes in the output voltage and input voltage

42. The changes in load current and output voltage

43. Both A and C

44. 81.2%

45. twice

46. one-half

47. 40.6%

48. Center-tap

49. 100 Hz

50. Four

51. higher

52. Bridge type

53. Capacitor input

54. Electrolytic

55. 50 Hz

56. more than

57. more

58. Impedance matching

59. 10

60. 2

61. 1 V/μs

62. ± 5%

63. 64

64. 6

65. 3

66. 2

67. 6

68. Dynatron effect

69. Singing-stovepipe effect

70. Compton effect

71. Debye-Sears effect

72. Photoelectromagnetic effect

73. The number of protons in the nucleus

74. Ted Nelson

75. Larry Roberts

76. Norio Taniguchi

77. Plasmons

78. Bob Metcalfe

79. Douglas Engelbart

80. Marc Andreesen

81. Tim Berners-Lee

82. Both Vinton Cerf and Bob Khan

83. Tim Berners-Lee

84. Channel effect

85. Damon effect

86. Edge effect

87. Fringe effect

88. Zener effect

89. Thomson effect

90. Tunnel effect

91. Photovoltaic effect

92. Miller effect

93. Hall effect

94. Leduc effect

95. Flywheel effect

96. Dember effect

97. Bequerel effect

98. Island effect

99. Malter effect

100. motor effect

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• Electronics Engineering Exam 6: ECE Pre-Board

Complete List of Electronics Engineering Exams: ECE Pre-Board

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Below are the answers key for the 100 items set of Practice Examination 4 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. Zero current

2. 166 Joules

3. it is at a maximum

4. 3.6ohms +/- 10%

5. tends to oppose changes in current

6. a pair of plates

7. moving either the magnet or the coil

8. VLSI

9. Silver zinc

10. two coils wound on a common core

11. Cathode ray tube

12. an area of low charge density around the P-N junction

13. 10.1 MHz

14. Never

15. 14.5 MHz

16. conducting and non-conducting

17. Band pass filter

18. attract each other

19. Card readers

20. 100

21. current varies directly as the voltage and inversely as the resistance

22. very low resistance

23. Selenium cells

24. Fuse

25. 0.125 microfarad

26. no current flow from emitter to collector

27. 500 ma

28. 1.92 ohms

29. Register

30. a negative resistance region

31. 2000 G

32. output is present for less than 180 degrees of the input signal cycle

33. all nodes in the circuit

34. LSI

35. Carbon

36. frequency and induction heating

37. One

38. towards the cathode

39. Magnetic lines of force

40. stores electrical energy

41. Magnetism

42. Low resistance

43. 3 mv

44. Reactance

45. its value cannot be stepped up or down by transformer

46. Sweep voltage

47. Either c or d arbitrarily selected

48. Tank circuit

49. 16.5 khz

50. an ohmmeter

51. just below the saturation point

52. Domain

53. 8

54. 5 x 10 to the -12^th

55. approximately 6.0 volts

56. the size and thickness of the crystal material

57. Peak inverse voltage

58. no current flow from the emitter to collector

59. use of transistor with narrow bases

60. great force capability handling heavy loads

61. the effective resistance is increased

62. a capacitor

63. the rms voltage is always greater than the average voltage

64. gate, anode 1 and anode 2

65. An ohmmeter test across the base collector of a transistor should show low resistance for both polarity

66. Class A amplifier

67. P type collector, N type base, P type emitter

68. 4000

69. 30 mA

70. only dc

71. Coulomb’s law

72. Hydraulic and pneumatic

73. 1600 At

74. XOR

75. Toggle switch

76. Cell

77. 10 hrs

78. 5

79. Residual magnetism

80. high resistance

81. Air gap

82. decreased

83. as large as possible

84. 4.76

85. Asynchronous

86. Bipolar

87. Yes or one

88. Potential field

89. in biasing circuits DC negative feedback is provided while amplifiers employ AC negative feedback

90. electrons are drawn to the grid and not reach the plate

91. Flux

92. Increased field voltage

93. Coulomb

94. 1.7 V and 20 mA

95. 0.25 ohms

96. Nickel-cadmium cell

97. 6.5 A

98. Volt ampere

99. Storage cell

100. an atom with unbalanced charges

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• Electronics Engineering Exam 5: ECE Pre-Board

Complete List of Electronics Engineering Exams: ECE Pre-Board

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Below are the answers key for the 100 items set of Practice Examination 3 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. Machine Language

2. Hole current in the emitter

3. monolithic

4. assembler

5. Twice as one

6. Silicon and Germanium

7. Provide more power

8. 150

9. Hexadecimal numbers

10. even when power is not applied to the memory

11. 0.30 S

12. 1,800 times

13. circuit will stop rectifying

14. Producing one output pulse for every 10 input pulses

15. 2 ms

16. Volt-coulomb

17. Rectification

18. Resonant

19. phase-locked loop

20. Resistance in the networks substitute for resistances in the load

21. Detector

22. zero

23. Forward bias

24. 20.5 MHz

25. Dielectric

26. Klystron oscillator

27. 1011

28. micro Ammeter

29. high frequencies

30. Breakdown voltage

31. Vibrating reed type

32. discrete

33. one circular mill

34. Multiplexing

35. ionization

36. Reactive power

37. Modems

38. is directly proportional

39. ladder

40. 254

41. Pi-network

42. Open-loop system

43. 10 Gb/cm

44. bits per inch

45. A voltage that opposes the applied EMF

46. Compensate aging battery of the meter

47. None of the above

48. Transponder

49. protons

50. Hysteresis

51. 40 ohms

52. Analog to digital conversion

53. 17

54. Triac

55. One

56. atom

57. flux

58. 320.7 microfarads

59. Light activated SCR

60. Field-effect transistor

61. OR

62. the presence of capacitance both external and internal

63. Selenium cells

64. A force set up when current flows through a conductor

65. 150 mV

66. Universal motor

67. Blowing fuse

68. completely no split

69. Binary counter

70. Magnetic cores

71. 12.4 microsec

72. photoemission

73. it has a very high voltage gain and low noise level

74. Atom

75. Interrogator

76. inverse parallel connected SCRs with common gate

77. Magnetic field intensity

78. 4.08 MHz

79. permeability

80. Mass

81. Magnetic type

82. Galvanometer

83. Aquadag coating

84. 15 (decimal)

85. Sequential

86. Maximum forward current and PIV

87. Multiplexer

88. ILS

89. provides an output code that corresponds to which a set of input line is true

90. crossover network

91. 2 miles

92. higher

93. multiplexer

94. invalid

95. 26

96. 12V

97. 2

98. Capacitor

99. 512

100. high resistance

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• Electronics Engineering Exam 4: ECE Pre-Board

Complete List of Electronics Engineering Exams: ECE Pre-Board

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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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• Electronics Engineering Exam 3: ECE Pre-Board

Complete List of Electronics Engineering Exams: ECE Pre-Board

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Below are the answers key for the 100 items set of Practice Examination 1 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. TACAN

2. 8.4 V

3. elastance

4. The tube will conduct during both halves of the cycle

5. Atoms

6. Electrons

7. bleeder

8. Bit

9. Point-to-point

10. Low level

11. Lenz law

12. It always has all or nothing motion

13. Energy

14. Weber

15. Semiconductor

16. High level

17. How amplification can be thought of as a decision making process

18. Binary 0

19. Avalanche

20. V(t)=24.8cos(ωt+39degrees)volts

21. P type

22. Accuracy

23. the product

24. Memory word

25. Global Positioning System

26. Measure voltage drop across known resistor

27. Reading

28. Diamagnetic

29. Applying ultraviolet rays

30. Diamagnetic

31. 1990 kHz, 2010 kHz

32. 0.094

33. the collector current at its maximum value

34. control

35. 512

36. LED

37. Magnetomotive force

38. 81.2

39. equal to generator’s internal resistance

40. protect drive circuits from high voltage transient surges

41. candela

42. Heat subinterval

43. band gap

44. Stack

45. 16 to 20,000 Hz

46. Buffer

47. 4 A

48. 1270

49. Decade counter

50. 1

51. 9.09 %

52. capacitive

53. Host

54. split into halves and connected in parallel

55. Type D

56. Address

57. ROM

58. Hole

59. both supply voltage and frequency simultaneously

60. 2

61. 2.5 ohms

62. Motor boating

63. lesser

64. electron

65. MSI

66. Voltage divider

67. 0.025

68. op amp

69. Access time

70. Power

71. 200 V

72. Amplifier

73. Hysteresis

74. an AND gate

75. 550 k ohm

76. logic clip

77. increase two-fold

78. Symptom analysis

79. Converter

80. Crystal

81. a Y-cut crystal

82. 1

83. block DC and passes AC current

84. Fly-wheel effect

85. Joules

86. Latch

87. the same as one cell

88. when to shift a bit of data from input of the flip-flop to the output

89. 11.11 %

90. Typical power rating of a carbon-composition resistor ranged from 0.125 W to 2W

91. Size

92. 1101

93. Hysteresis loss

94. ideal

95. attachment

96. beat tone

97. Valence electrons

98. 500 G

99. Computers

100. product of individual gains

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• Electronics Engineering Exam 2: ECE Pre-Board

Complete List of Electronics Engineering Exams: ECE Pre-Board

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