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.Management Sciences
Category: Transistor Audio Power Amplifiers
If a transistor is operated in such a way that output current flows for 60o of the input signal, then it is ______________ operation?
A. Class A
B. Class B
C. Class C
D. None of the above
A 2-transistor class B power amplifier is commonly called ______________ amplifier?
A. Dual
B. Push-pull
C. Symmetrical
D. Differential
The output stage of a multistage amplifier is also called _________________-?
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
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