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
28. What is 1,000p?
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
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
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 battery will produce:
A high
resistance circuit
A short circuit
A low current path
An open 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:
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
Lower
The same
Cannot be determined
6. Which is not a "common" value of
resistance:
2k7
1M8
330R
4k4
1M8
330R
4k4
7. If a small value of capacitance is
connected in parallel
with a large value, the combined capacitance will be:
with a large value, the combined capacitance will be:
The same
Higher
Lower
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
Turn off
Not enough information
Remain the same
10. A 100n capacitor in parallel with 10n
produces:
90n
100n
110n
Cannot be determined
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%
2k2 5%
220R 5%
22R 5%
13. A 10k resistor in parallel with 10k
produces:
10k
5k
20k
Cannot be determined
5k
20k
Cannot be determined
23. A red-red-red-gold resistor in series
with an
orange-orange-orange-gold resistor produces:
orange-orange-orange-gold resistor produces:
5k5
35,200 ohms
55k
None of the above
35,200 ohms
55k
None of the above
28. What is 1,000p?
0.01n
0.0001u
0.1n
1n
0.0001u
0.1n
1n
29. The current in a circuit is 45mA. This
is:
0.045Amp
0.00045A
0.0045A
0.45A
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
0.01u
0.001u
none of the above
31. 1mA is equal to:
0.001A
0.00001A
0.01A
0.1A
0.00001A
0.01A
0.1A
32. 1,200mV is equal to:
12v
1.2v
0.12v
0.0012v
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
1mA
0.01mA
0.1mA
41. A DC voltage . . .
rises and
falls
is a sinewave
remains constant
is an audio waveform
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
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
'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%
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
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
n, u, p
p, n, u
48. The number "104" on a capacitor
indicates:
0.1u
100n
1n
10n
100n
1n
10n
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