A. 100 pF
B. 0.1 µF
C. 0.01 µF
D. 10 µF
✅ The correct answer is option D.
Multi-Stage Transistor Amplifiers MCQs
1 db corresponds to_____________change in power level?
A. 50%
B. 35%
C. 26%
D. 22%
✅ The correct answer is option C.
The lower and upper cut off frequencies are also called_____________frequencies?
A. Sideband
B. Resonant
C. Half-resonant
D. Half-power
✅ The correct answer is option D.
Transformer coupling is generally employed when load resistance is______________?
A. Large
B. Very large
C. Small
D. None of the above
✅ The correct answer is option C.
A radio receiver has____________of amplification?
A. One stage
B. Two stages
C. Three stages
D. More than one stages
✅ The correct answer is option D.
In practice, voltage gain is expressed______________?
A. In db
B. In volts
C. As a number
D. None of the above
✅ The correct answer is option A.
Transformer coupling provides high efficiency because___________?
A. Collector voltage is stepped up
B. resistance is low
C. collector voltage is stepped down
D. none of the above
✅ The correct answer is option B.
The best frequency response is of_____________coupling?
A. RC
B. Transformer
C. Direct
D. None of the above
✅ The correct answer is option C.
In an RC coupled amplifier, the voltage gain over mid-frequency range_____________?
A. Changes abruptly with frequency
B. Is constant
C. Changes uniformly with frequency
D. None of the above
✅ The correct answer is option B.
In an RC coupling scheme, the coupling capacitor CC must be large enough______________?
A. To pass d.c. between the stages
B. Not to attenuate the low frequencies
C. To dissipate high power
D. None of the above
✅ The correct answer is option B.