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Electrical Engineering
Power Amplifier
Quiz 3
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Q.1
Which of the following describe(s) a power amplifier?
It can handle large power.
It can handle large current.
It does not provide much voltage gain.
All of the above
Q.2
You have an application for a power amplifier to operate on FM radio frequencies. The most likely choice would be a ________ amplifier.
class A
class B
class C
class AB
Q.3
________ amplifiers primarily provide sufficient power to an output load to drive a speaker from a few watts to tens of watts.
Small-signal
Power
None of the above
None of these
Q.4
Which of the push-pull amplifiers is presently the most popular form of the class B power amplifier?
Quasi-complementary
Transformer-coupled
Complementary-symmetry
None of the above
Q.5
Which of the power amplifiers is not intended primarily for large-signal or power amplification?
Class A
Class B or AB
Class C
Class D
Q.6
Which of the following is (are) power amplifiers?
Class A
Class B or AB
Class C or D
All of the above
Q.7
In class B operation, at what fraction of VCC should the level of VL(p) be to achieve the maximum power dissipated by the output transistor?
0.5
0.636
0.707
1
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