93.1 - Feedback System (Part-D)
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Practice Questions
Test your understanding with targeted questions
What is the effect of feedback on output resistance in an ideal situation?
💡 Hint: Consider what happens with an ideal feedback network.
Define the feedback factor (β) in your own words.
💡 Hint: Think about how feedback influences circuit behavior.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the output resistance in an ideal feedback system?
💡 Hint: Think about how feedback works in circuit theory.
True or False: Negative feedback always increases gain.
💡 Hint: Consider the trade-off between stability and amplification.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A voltage amplifier has an open-loop gain of 150 and a feedback factor of 0.05. Calculate the closed-loop gain and the output resistance given an input resistance of 2k Ohms and a feedback resistance of 1k Ohms.
💡 Hint: Use formulas for gain and resistance considering feedback components.
Design a feedback circuit for a trans-conductance amplifier that ensures stable output characteristics with finite input resistance. What design modifications would you propose to maintain performance?
💡 Hint: Think about how you can balance input/output resistances effectively.
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