92.1.1 - Effect of Feedback on Input Resistance and Output Resistance
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Practice Questions
Test your understanding with targeted questions
What is the primary effect of negative feedback on input resistance?
💡 Hint: Consider the relationship between input resistance and signal loading.
Define input resistance in your own words.
💡 Hint: Think about how a signal behaves when it enters the circuit.
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Interactive Quizzes
Quick quizzes to reinforce your learning
How does negative feedback typically affect input resistance?
💡 Hint: Remember the relationship we established in class regarding feedback mechanisms.
True or False: Feedback reduces the output resistance of an amplifier.
💡 Hint: Think about feedback's role in enhancing performance.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given an ideal amplifier with R_in = 10kΩ and a feedback factor of β = 0.2 and gain A = 50, calculate R_in_f.
💡 Hint: Follow the formula and substitute values carefully to verify your results.
A feedback series circuit shows a load resistance of 5kΩ. How would you describe the overall effect on input and output resistance?
💡 Hint: Consider how resistance behaves in series versus parallel configurations.
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