1. A feedback amplifier is also called as
A. Open-loop amplifier
B. Closed-loop amplifier
C. Feedback network amplifier
D. Looped network amplifier
2. How many types of configurations are available for feedback amplifiers?
A. Six
B. Four
C. Two
D. Eight
3. Which of the following is not a feedback configuration?
A. Current-series feedback
B. Voltage-shunt feedback
C. Current-Voltage feedback
C. Current-Shunt feedback
4. When load current flows into the feedback circuit, the configuration is said to be
A. Current-shunt feedback
B. Voltage-shunt feedback
C. Voltage-series feedback
D. All of the mentioned
6. On what criteria does the feedback amplifier are classified?
A. Signal fed back to the input
B. Signal applied to an input
C. Signal fed back to an output
D. None of the mentioned
7. The closed-loop voltage gain is reciprocal of
A. Voltage gain of an op-amp
B. Gain of the feedback circuit
C. Open loop voltage gain
D. None of the mentioned
8. Select the specifications that implies the inverting amplifier?
A. V1 = -3v, V2 = -4v
B. V1 = -2v, V2 = 3v
C. V1 = 5v, V 2 = 15v
D. V1 = 0v, V2 = 5v
9. Specify the voltage gain of a non-inverting amplifier with feedback amplifier with and without feedback?
A. A= Vo/Vid, AF = Vf/Vo
B. A= Vf/Vid, AF= Vo/Vf
C. A= Vo/Vid, AF= Vo/Vin
D. A= Vf/Vid, AF = Vf/Vin
10. If the feedback voltage and the output voltage are given as 10v and 4v. Find the gain of the feedback circuit in the voltage-series feedback amplifier?
A. 2.5v
B. 40v
C. 3v
D. 6.2v