Block Diagram Representation of Feedback Configurations MCQ’s

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This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Block Diagram Representation of Feedback Configurations”.

1. How many types of configuration are available for feedback amplifier?
a) Six
b) Four
c) Two
d) Eight

2. Which of the following is not a feedback configuration?
a) Current-series feedback
b) Voltage-shunt feedback
c) Current-Voltage feedback
d) Current-Shunt feedback

3. A feedback amplifier is also called as
a) Open loop amplifier
b) Closed loop amplifier
c) Feedback network amplifier
d) Looped network amplifier

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

5. On what criteria does the feedback amplifier are classified?
a) Signal fed back to input
b) Signal applied to input
c) Signal fed back to output
d) None of the mentioned

6. 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

7. Find the voltage-series feedback amplifier from the given diagram?
a) Find the voltage-series feedback amplifier from the given diagram
b) Find the voltage across load resistor from the given diagram
c) Find the input voltage to  feedback from the given diagram
d) Find the output voltage to feedback circuit from given diagram

8. The closed loop voltage gain is reciprocal of
a) Voltage gain of op-amp
b) Gain of the feedback circuit
c) Open loop voltage gain
d) None of the mentioned

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