Transistor Audio Power Amplifiers Mcqs
Q.1: The output stage of a multistage amplifier usually employs _________________?M
A. Push-pull amplifier
B. Preamplifier
C. Class A power amplifier
D. None of the above
Q.2: Class _____________ operation gives the maximum distortion?;
A. A
B. B
C. C
D. AB
Q.3: The size of a power transistor is made considerably large to________________?M
A. Provide easy handling
B. Dissipate heat
C. Facilitate connections
D. None of the above
Q.4: The output stage of a multistage amplifier usually employs______________?I
A. Push-pull amplifier
B. Preamplifier
C. Class A power amplifier
D. None of the above
Q.5: If the zero signal dissipation of a transistor is 1W, then power rating of the transistor should be at least___________________?
A. 5 W
B. 33 W
C. 75 W
D. 1 W
Q.6: When a transistor is cut off _________________?/
A. Maximum voltage appears across transistor)
B. Maximum current flows
C. Maximum voltage appears across load#
D. None of the above
Q.7: Low efficiency of a power amplifier results in_________________?@
A. Low forward bias
B. Less battery consumption
C. More battery consumption
D. None of the above
Q.8: A power amplifier has comparatively __________________ ?;
A. Small
B. Large
C. Very large
D. None of the above
Q.9: A 2-transistor class B power amplifier is commonly called ______________ amplifier?S
A. Dual
B. Push-pull
C. Symmetrical
D. Differential
Q.10: A class A power amplifier is sometimes called______________amplifier?E
A. Symmetrical
B. Single-ended
C. Reciprocating
D. Differential

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