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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does feedback do in an amplifier?
💡 Hint: Think about the amplifier's circuit behavior.
Question 2
Easy
Define output resistance in an amplifier context.
💡 Hint: Consider how it would affect voltage delivery.
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 primary effect of feedback on output resistance?
- It increases it
- It decreases it
- It has no effect
💡 Hint: Think back to our discussions on amplifier configurations.
Question 2
True or False: A current amplifier will always increase voltage.
- True
- False
💡 Hint: Recall the functionality of different amplifier types.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a voltage amplifier with an ideal β of 0.1 and a feedback resistance of 200 Ohms, calculate the output resistance when the input resistance is 1000 Ohms. Show all workings.
💡 Hint: Apply feedback formulas to find interactions.
Question 2
A current amplifier has a feedback factor of 0.2, with source resistance of 100 Ohms and input resistance of 500 Ohms. What is the effective output resistance?
💡 Hint: Combine resistances together considering their configurations.
Challenge and get performance evaluation