MCQs on Power Amplifiers
Quiz
•
Engineering
•
12th Grade
•
Practice Problem
•
Medium
Manikandan AVM
Used 1+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
For class B operation, the collector current flows for
The whole cycle
Half the cycle
Less than half a cycle
Less than a quarter of a cycle
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Transformer coupling is an example of
Direct coupling
AC coupling
DC coupling
Impedance coupling
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
An audio amplifier operates in the frequency range of
0 to 20 Hz
20 Hz to 2 kHz
20 to 20 kHz
Above 20 kHz
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A tuned RF amplifier is
Narrowband
Wideband
Direct-coupled
A dc amplifier
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The first stage of a preamp is
A tuned RF stage
Large signal
Small signal
A dc amplifier
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
For maximum peak-to-peak output voltage, the Q point should be
Near saturation
Near cutoff
At the center of the ac load line
At the center of the dc load line
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Push-pull is almost always used with
Class A
Class B
Class C
All of the above
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