The total gain of a multistage amplifier is less than the product of the gains of individual stages due to____________?

Related Mcqs:

1. If a three-stage amplifier has individual stage gains of 10 db, 5 db and 12 db, then total gain in db is____________?

   A. 600 db
   B. 24 db
   C. 14 db
   D. 27 db

2. The bandwidth of a single stage amplifier is_____________that of a multistage amplifier?

   A. More than
   B. The same as
   C. Less than
   D. Data insufficient

3. In the initial stages of a multistage amplifier, we use______________?

   A. RC coupling
   B. Transformer coupling
   C. Direct coupling
   D. None of the above

4. If the power and current gains of a transistor amplifier are 16500 and 100 respectively, then voltage gain is_____________________?

   A. 165
   B. 165 x 104
   C. 100
   D. None of the above

5. An amplifier has a power gain of 100. Its db gain is ________________?

   A. 10 db
   B. 20 db
   C. 40 db
   D. None of the above

6. The final stage of a multistage amplifier uses______________?

   A. RC coupling
   B. Transformer coupling
   C. Direct coupling
   D. Impedance coupling

7. When a multistage amplifier is to amplify d.c. signal, then one must use_____________coupling?

   A. RC
   B. Transformer
   C. Direct
   D. None of the above

8. The value of emitter capacitor CE in a multistage amplifier is about____________?

   A. 1 µF
   B. 100 pF
   C. 0.01 µF
   D. 50 µF

9. 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

10. The output stage of a multistage amplifier is also called _________________-?

    A. Mixer stage
    B. Power stage
    C. Detector stage
    D. F stage