A. Resonant
B. Open loop
C. Closed loop
D. None of the above
Related Mcqs:
- 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 - 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 - 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 - 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_____________?
A. 10
B. 1
C. 01
D. 15 - 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 - 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 - 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 - 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 - 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 - 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
