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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary effect of negative feedback on input resistance?
π‘ Hint: Consider the relationship between input resistance and signal loading.
Question 2
Easy
Define input resistance in your own words.
π‘ Hint: Think about how a signal behaves when it enters the circuit.
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
How does negative feedback typically affect input resistance?
- Increases it
- Decreases it
- No effect
π‘ Hint: Remember the relationship we established in class regarding feedback mechanisms.
Question 2
True or False: Feedback reduces the output resistance of an amplifier.
- True
- False
π‘ Hint: Think about feedback's role in enhancing performance.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given an ideal amplifier with R_in = 10kΞ© and a feedback factor of Ξ² = 0.2 and gain A = 50, calculate R_in_f.
π‘ Hint: Follow the formula and substitute values carefully to verify your results.
Question 2
A feedback series circuit shows a load resistance of 5kΞ©. How would you describe the overall effect on input and output resistance?
π‘ Hint: Consider how resistance behaves in series versus parallel configurations.
Challenge and get performance evaluation