The output stage of a multistage amplifier usually employs______________?

Related Mcqs:

1. 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

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

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

4. The final stage of a multistage amplifier uses______________?

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

5. The output signal voltage and current of a power amplifier are 5V and 200 mA; the values being r.m.s. What is the power output ?

   A. 1 W
   B. 2 W
   C. 4 W
   D. None of the above

6. 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

7. 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

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

   A. Power loss in the coupling device
   B. Loading effect of the next stage
   C. The use of many transistors
   The use of many capacitors

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

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

10. 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