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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens to the closed-loop gain when negative feedback is applied?
💡 Hint: Think about how feedback influences the signal.
Question 2
Easy
What does the term 'desensitivity factor' refer to?
💡 Hint: It's a quantitative representation of the effect of feedback.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the effect of negative feedback on amplifier gain?
- It increases gain
- It reduces gain
- No effect
💡 Hint: Think about the original purpose of feedback in circuits.
Question 2
True or False: Negative feedback always increases distortion in amplifiers.
- True
- False
💡 Hint: Consider what feedback aims to accomplish.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An amplifier operates with an open-loop gain of 2000. Given a feedback factor of 0.1, calculate the closed-loop gain and determine stability based on the input variations.
💡 Hint: Start with calculating the closed-loop gain using the relevant formula.
Question 2
Design a feedback amplifier circuit considering the bandwidth, distortion, and noise characteristics. Propose which components you would select based on the properties discussed in the section.
💡 Hint: Think about how each component will affect the amplifier's performance.
Challenge and get performance evaluation