Multi Stage Transitor Amplifier Mcqs
Q.1: A radio receiver has____________of amplification?1
A. One stage
B. Two stages
C. Three stages
D. More than one stages
Q.2: RC coupling is used for_____________amplification?2
A. Voltage
B. Current
C.
D. None of the above
Q.3: In an RC coupled amplifier, the voltage gain over mid-frequency range_____________?S
A. Changes abruptly with frequency
B. Is constant
C. Changes uniformly with frequency
D. None of the above
Q.4: An advantage of RC coupling scheme is the___________?5
A. Good impedance matching
B. Economy
C. High efficiency
D. None of the above
Q.5: Transformer coupling is used for__________amplification?8
A.
B. Voltage
C. Current
D. None of the above
Q.6: The noise factor of an ideal amplifier expressed in db is_____________?G
A. 0
B. 1
C. 1
D. 10
Q.7: Transformer coupling provides high efficiency because___________?A
A. Collector voltage is stepped up
B. resistance is low
C. collector voltage is stepped down!
D. none of the above
Q.8: The ear is not sensitive to___________?'
A. Frequency distortion
B. Amplitude distortion
C. Frequency as well as amplitude distortion)
D. None of the above
Q.9: The lower and upper cut off frequencies are also called_____________frequencies?P
A. Sideband
B. Resonant
C. Half-resonant
D. Half-power
Q.10: 1 db corresponds to_____________change in power level?6
A. 50%
B. 35%
C. 26%
D. 22%

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