If the output of an amplifier is 10 V and 100 mV from the output is fed back to the input, then feedback fraction is_____________?

Related Mcqs:

1. 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...

2. 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...

3. When current feedback (negative) is applied to an amplifier, its input impedance _____________?

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

4. When voltage feedback (negative) is applied to an amplifier, its input impedance _______________?

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

5. When current feedback (negative) is applied to an amplifier, its output impedance ________________?

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

6. If voltage feedback (negative) is applied to an amplifier, its output impedance ______________?

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

7. The value of negative feedback fraction is always _______________?

   A. Less than 1 B. More than 1 C. Equal to 1 D. None of the above...

8. 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...

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...