Sunday, 7 August 2016

RGPV Basic Electronics Objectives MCQ | RGPV EC111 Fundamentals of Electronics Engineering MCQ www.rgpv.ac.in

RGPV Basic Electronics Objectives MCQ | RGPV EC111 MCQ | RGPV Fundamentals of Electronics Engineering MCQ 

1. A resistor with color bands: red-red-red-gold, has the value: 
1.      22k 5%
2.      2k2 5%
3.      220R 5% 
4.      22R 5%
ANS – B


3. Connecting a lead from the negative to the positive of a battery will produce:
1.      A high resistance circuit
2.      A short circuit
3.      A low current path
4.      An open circuit
ANS – B
4. What is the approximate characteristic voltage that develops across a red LED?
1.      1.7v
2.      3.4v
3.      0.6v
4.      5v
ANS – A
5. If two resistors are placed in series, is the final resistance:
1.      Higher
2.      Lower
3.      The same
4.      Cannot be determined
ANS – A
6. Which is not a "common" value of resistance?
1.      2k7
2.      1M8
3.      330R
4.      4k4
ANS – D


7. If a small value of capacitance is connected in parallel with a large value, the combined capacitance will be:
1.      The same
2.      Higher
3.      Lower
ANS – B
8. If the voltage on the base of a transistor increases, does it:
1.      Turn on
2.      Turn off
3.      Not enough information
4.      Remain the same
ANS – C
10. A 100n capacitor in parallel with 10n produces:
1.      90n
2.      100n
3.      110n
4.      Cannot be determined
ANS – C

11. What does LED stand for?
1.      Light Emitting Display
2.      Low Energy Display
3.      Light Emitting Diode
4.      Light Emitting Detector


ANS – C
13. A 10k resistor in parallel with 10k produces:
1.      10k
2.      5k
3.      20k
4.      Cannot be determined
ANS – B
16. 4 resistors in ascending order are: 
1.      22R 270k 2k2 1M
2.      4k7 10k 47R 330k
3.      3R3 4R7 22R 5k6
4.      100R 10k 1M 3k3
ANS – C
22. Name the three leads of a common transistor
1.      Collector Bias Omitter
2.      Base Collector Case
3.      Emitter Collector Bias
4.      Collector Base Emitter
ANS – D
23. A red-red-red-gold resistor in series with an orange-orange-orange-gold resistor produces:
1.      5k5
2.      35,200 ohms
3.      55k
4.      None of the above
ANS – B
25. To obtain a higher value of resistance, resistors are connected in:
1.      Reverse
2.      Forward
3.      Parallel
4.      Series
ANS – D
28. What is 1,000p?
1.      0.01n
2.      0.0001u
3.      0.1n
4.      1n
ANS – D


29. The current in a circuit is 45mA. This is:
1.      0.045Amp
2.      0.00045A
3.      0.0045A
4.      0.45A
ANS – A
30. A 100n capacitor can be expressed as:
1.      0.1u u = microfarad
2.      0.01u
3.      0.001u
4.      none of the above

ANS – A
31. 1mA is equal to:
1.      0.001A
2.      0.00001A
3.      0.01A
4.      0.1A
ANS – A
32. 1,200mV is equal to:
1.      12v
2.      1.2v
3.      0.12v
4.      0.0012v
ANS – B
33. If a 10k resistor is placed across a 10v supply, the current will be:
1.      10mA
2.      1mA
3.      0.01mA
4.      0.1mA
ANS – B
34. For the XOR gate, what is the output when both inputs are HIGH:
41. A DC voltage . . .
1.      rises and falls
2.      is a sinewave
3.      remains constant
4.      is an audio waveform
ANS – C
42. A CRO is a
1.      Cathode Ray Oscillator
2.      Cathode Ray Oscilloscope
3.      Capacitor-Resistor Oscillator
4.      Capacitor-Resistor Output
ANS – B
43. These jargon terms mean: (Jargon = language peculiar to a 'mickey' 'electro' 'cap' 'puff'; trade)
1.      mighty, electronic, capper, picofarad
2.      microfarad, electronic, capacitor, picofarad
3.      microfarad, electrolytic, capacitor, picofarad
4.      microfarad, electrolyte, capping, blow
ANS – C


44. The tolerance bands: gold; silver; brown, represent:
1.      10%, 5%, 1%
2.      5%, 10%, 2%
3.      5%, 10%, 1%
4.      10%, 5%, 2%
ANS – C
45. 223 on a capacitor represents:
1.      0.022u u = microfarad
2.      22n n = nanofarad
3.      22,000p p = picofarad
4.      All of the above
ANS – B
46. Arrange these in ascending order: n, p, u 
1.      p, u, n, 
2.      n, u, p
3.      p, n, u
ANS – C
48. The number "104" on a capacitor indicates:
1.      0.1u
2.      100n
3.      1n
4.      10n
ANS – A & B (Both)
50. The current requirement of a LED is:
1.      1.7mA
2.      25mA
3.      Between 3 and 35mA
4.      65mA
ANS – C




1. What does LED stand for?
Light Emitting Display
Low Energy Display
Light Emitting Diode
Light Emitting Detector
2. Name the three leads of a common transistor
Collector Bias Omitter
Base Collector Case
Emitter Collector Bias
Collector Base Emitter
3. Connecting a lead from the negative to the positive of
      a battery will produce:
A high resistance circuit
A short circuit
A low current path
An open circuit
4. What is the approximate characteristic voltage that develops
    across a red LED?

1.7v
3.4v
0.6v
5v

5. If two resistors are placed in series, is the final resistance:
Higher
Lower
The same
Cannot be determined
6. Which is not a "common" value of resistance:
2k7
1M8
330R
4k4
7. If a small value of capacitance is connected in parallel
   with a large value, the combined capacitance will be:
The same
Higher
Lower
8. If the voltage on the base of a transistor increases, does it:
Turn on
Turn off
Not enough information
Remain the same


10. A 100n capacitor in parallel with 10n produces:
90n
100n
110n
Cannot be determined
11. A resistor with colour bands: red-red-red-gold, has the value: 
22k   5%
2k2   5%
220R   5%
22R   5%
13. A 10k resistor in parallel with 10k produces:
10k
5k
20k
Cannot be determined

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

28. What is 1,000p?
0.01n
0.0001u
0.1n
1n
29. The current in a circuit is 45mA. This is:
0.045Amp
0.00045A
0.0045A
0.45A
30. A 100n capacitor can be expressed as:
0.1u    u = microfarad
0.01u
0.001u
none of the above
31. 1mA is equal to:
0.001A
0.00001A
0.01A
0.1A
32. 1,200mV is equal to:
12v
1.2v
0.12v
0.0012v
33. If a 10k resistor is placed across a 10v supply, the current will be:
10mA
1mA
0.01mA
0.1mA
41. A DC voltage . . .
rises and falls
is a sinewave
remains constant
is an audio waveform
42. A CRO is a
Cathode Ray Oscillator
Cathode Ray Oscilloscope
Capacitor-Resistor Oscillator
Capacitor-Resistor Output
43. These jargon terms mean:      (Jargon = language peculiar to a
  'mickey'  'electro'   'cap'   'puff';                           trade)

mighty, electronic, capper, picofarad
microfarad, electronic, capacitor, picofarad
microfarad, electrolytic, capacitor, picofarad
microfarad, electrolyte, capping, blow
44. The tolerance bands:   gold;  silver;  brown,  represent:
10%,   5%,   1%
5%, 10%,  2%
5%,   10%,    1%
10%,   5%,   2%
45. 223 on a capacitor represents:
0.022u     u = microfarad
22n          n = nanofarad
22,000p    p = picofarad
All of the above
46. Arrange these in ascending order:  n, p, u  
p, u, n,
n, u, p
p, n, u


48. The number "104" on a capacitor indicates:
0.1u
100n
1n
10n




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