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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of trans-conductance?
π‘ Hint: Think about how amplifiers translate voltage to current.
Question 2
Easy
What is feedback in amplifier circuits?
π‘ Hint: Consider how outputs can influence inputs in a loop.
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 general effect of feedback on amplifier gain?
- Increases
- Decreases
- No effect
π‘ Hint: Remember how feedback can stabilize or modify circuit performance.
Question 2
True or False: Feedback increases input resistance in electrical circuits.
- True
- False
π‘ Hint: Consider the benefits of higher resistance in circuit design.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given an amplifier with a trans-conductance of 2 mS and a feedback factor Ξ² of 3, calculate the modified output voltage gain when feedback is applied.
π‘ Hint: Remember to plug in G' using the trans-conductance value and follow through the calculations.
Question 2
In a circuit with an output resistance of 100k⦠and a feedback mechanism increasing it by a factor of 10, what is the new output resistance?
π‘ Hint: Look at how multiplication affects original resistance values due to feedback.
Challenge and get performance evaluation