The voltage gain of an emitter follower is _____________?

Related Mcqs:

1. The output impedance of an emitter follower is______________?

   A. High
   B. Very high
   C. Almost zero
   D. Low

2. Emitter follower is used for ________________?

   A. Current gain
   B. Impedance matching
   C. Voltage gain
   D. None of the above

3. An emitter follower has ______________input impedance?

   A. Zero
   B. Low
   C. High
   D. None of the above

4. Emitter follower is a _______________circuit?

   A. Voltage feedback
   B. Current feedback
   C. Both voltage and current feedback
   D. None of the above

5. Emitter follower is used for________________?

   A. Current gain
   B. Impedance matching
   C. Voltage gain
   D. None of the above

6. When negative voltage feedback is applied to an amplifier, its voltage gain ____________?

   A. Is increased
   B. Is reduced
   C. Remains the same
   D. None of the above

7. The gain of an amplifier without feedback is 100 db. If a negative feedback of 3 db is applied, the gain of the amplifier will become______________?

   A. 5 db
   B. 300 db
   C. 103 db
   D. 97 db

8. If the feedback fraction of an amplifier is 0.01, then voltage gain with negative feedback is approximately________________?

   A. 500
   B. 100
   C. 1000
   D. 5000

9. The gain of an amplifier with feedback is known as____________gain?

   A. Resonant
   B. Open loop
   C. Closed loop
   D. None of the above

10. When a negative voltage feedback is applied to an amplifier, its bandwidth_____________?

    A. Is increased
    B. Is decreased
    C. Remains the same
    D. Insufficient data