92.1 - Feedback System (Part-C)
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Practice Questions
Test your understanding with targeted questions
What is the effect of negative feedback on input resistance?
💡 Hint: Think about how feedback stabilizes a circuit.
What does the symbol 'β' represent in feedback equations?
💡 Hint: Consider it as how much of the output is fed back.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for input resistance in a feedback system?
💡 Hint: Look for the equation related to feedback gain.
True or False: Negative feedback always decreases input resistance.
💡 Hint: Consider the definitions of feedback in circuits.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given a feedback system with an input resistance of 500 ohms, feedback factor β of 0.2, and an amplifier gain A of 5, calculate the new input resistance. Discuss the significance of results.
💡 Hint: Remember to refer back to the formula for correct operation.
Explain how an increase in load resistance affects the performance of a current amplifier using feedback, specifically discussing potential trade-offs.
💡 Hint: Consider practical scenarios in circuit applications.
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