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.Management Sciences
Category: Transistor Audio Power Amplifiers
The output stage of a multistage amplifier is also called _________________-?
0
A. Mixer stage
B. Power stage
C. Detector stage
D. F stage
A class A power amplifier uses _________________?
A. Two transistors
B. Three transistors
C. One transistor
D. None of the above
The most important consideration in power amplifier is __________________?
A. Biasing the circuit
B. Collector efficiency
C. To keep the transformer cool
D. None of the above
A power amplifier has comparatively __________________ ß ?
A. Small
B. Large
C. Very large
D. None of the above
In class A operation, the operating point is generally located_____________of the d.c. load line?
A. At cut off point
B. At the middle
C. At saturation point
D. None of the above
The size of a power transistor is made considerably large to________________?
A. Provide easy handling
B. Dissipate heat
C. Facilitate connections
D. None of the above
The driver stage usually employs_________________?
A. Class A power amplifier
B. Push-pull amplifier
C. Class C amplifier
D. None of the above
The disadvantage of impedance matching is that it _______________?
A. Gives distorted output
B. Gives low power output
C. Requires a transformer
D. None of the above
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