A. One stage
B. Two stages
C. Three stages
D. More than one stages
✅ The correct answer is option D.
Multi-Stage Transistor Amplifiers MCQs
2. 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.
3. 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.
4. The best frequency response is of_____________coupling?
A. RC
B. Transformer
C. Direct
D. None of the above
✅ The correct answer is option C.
5. 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.
6. 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.
7. 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.
8. 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.
9. In obtaining the frequency response curve of an amplifier, the______________?
A. Amplifier level output is kept constant
B. Amplifier frequency is held constant
C. Generator frequency is held constant
D. Generator output level is held constant
✅ The correct answer is option D.
10. In RC coupling, the value of coupling capacitor is about_______________?
A. 100 pF
B. 0.1 µF
C. 0.01 µF
D. 10 µF
✅ The correct answer is option D.