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.Management Sciences
Category: Multi-Stage Transistor Amplifiers
When a multistage amplifier is to amplify d.c. signal, then one must use_____________coupling?
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A. RC
B. Transformer
C. Direct
D. None of the above
The final stage of a multistage amplifier uses______________?
A. RC coupling
B. Transformer coupling
C. Direct coupling
D. Impedance coupling
RC coupling is not used to amplify extremely low frequencies because____________?
A. There is considerable power loss
B. There is hum in the output
C. Electrical size of coupling capacitor becomes very large
D. None of the above
In the initial stages of a multistage amplifier, we use______________?
A. RC coupling
B. Transformer coupling
C. Direct coupling
D. None of the above
Transformer coupling is used for__________amplification?
A. Power
B. Voltage
C. Current
D. None of the above
The upper or lower cut off frequency is also called______________frequency?
A. Resonant
B. Sideband
C. 3 db
D. None of the above
The frequency response of transformer coupling is___________?
A. Good
B. Very good
C. Excellent
D. Poor
The ear is not sensitive to___________?
A. Frequency distortion
B. Amplitude distortion
C. Frequency as well as amplitude distortion
None of the above
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