A power amplifier has comparatively __________________ ß ?
A. Small
B. Large
C. Very large
D. None of the above
Electrical Engineering Mcqs
Low efficiency of a power amplifier results in_________________?
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
When a transistor is cut off _________________?
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
If the zero signal dissipation of a transistor is 1W, then power rating of the transistor should be at least___________________?
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
The output stage of a multistage amplifier usually employs______________?
The output stage of a multistage amplifier usually employs______________?
A. Push-pull amplifier
B. Preamplifier
C. Class A power amplifier
D. None of the above
The size of a power transistor is made considerably large to________________?
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
Class _____________ operation gives the maximum distortion?
Class _____________ operation gives the maximum distortion?
A. A
B. B
C. C
D. AB
The output stage of a multistage amplifier usually employs _________________?
The output stage of a multistage amplifier usually employs _________________?
A. Push-pull amplifier
B. Preamplifier
C. Class A power amplifier
D. None of the above
The inputs of a NAND gate are connected together. The resulting circuit is _______________?
The inputs of a NAND gate are connected together. The resulting circuit is _______________?
A. OR gate
B. AND gate
C. NOT gate
D. None of the above
The universal gate is ________________?
The universal gate is ________________?
A. NAND gate
B. OR gate
C. AND gate
D. None of the above