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Matching Questions
See What Others Are Saying!
Question
Match the following:
List I
List II
A.
1.
B.
2.
C.
3.
D.
4.
Options
A. A-1, B-2, C-3, D-4
B. A-3, B-4, C-2, D-1
C. A-4, B-3, C-2, D-1
D. A-3, B-4, C-1, D-2
Correct Answer
A-3, B-4, C-2, D-1
More questions
1. If an amplifier with gain of - 1000 and feedback factor ? = - 0.1 had a gain change of 20% due to temperature, the change in gain of the feedback amplifier would be
Options
A. 10%
B. 5%
C. 0.2%
D. 0.01%
Show Answer
Scratch Pad
Discuss
Correct Answer: 0.2%
Explanation:
As we know, Gain with feedback
A = - 1000, ? = -0.1 .
2. Permeability is analogous to
Options
A. resistivity
B. retentivity
C. conductivity
D. coercivity
Show Answer
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Discuss
Correct Answer: conductivity
3. In a Gunn diode oscillator drift velocity of electron is 10
7
cm/s and active region length is 10 x 10
-4
cm. The natural frequency of oscillation is
Options
A. 1 MHz
B. 10 MHz
C. 1 GHz
D. 10 GHz
Show Answer
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Discuss
Correct Answer: 10 GHz
4. A cycloconverter is a group of controlled rectifiers.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: True
5. If the valence electron is separated from a copper atom, the remaining part of atom has a net charge of
Options
A. 1
B. - 1
C. 0
D. + 3
Show Answer
Scratch Pad
Discuss
Correct Answer: 1
6. A single phase bridge type cycloconverter uses eight thyristors.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
7. ?
r
is determined by the atomic structure of the dielectric.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: True
8. An SBS can conduct is one direction only.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: False
Explanation:
It is a bilateral switch.
9. The resistivity of intrinsic semiconductors, at room temperature, is of the order of
Options
A. 1 ?-m
B. 1000 ?-m
C. 10
6
?-m
D. 10
-3
?-m
Show Answer
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Discuss
Correct Answer: 1 ?-m
10. The orientation polarization of a polyatomic gas is inversely proportional to absolute temperature.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
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