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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for voltage gain in a feedback system?
π‘ Hint: Consider how forward amplifier gain and feedback factor interplay.
Question 2
Easy
Define the desensitization factor in the context of feedback systems.
π‘ Hint: Think about how feedback changes circuit behavior.
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 function of the feedback factor (Ξ²) in a feedback system?
- To measure input resistance
- To stabilize gain
- To increase output voltage
π‘ Hint: Think about how feedback impacts circuit stability.
Question 2
Output resistance decreases with feedback: True or False?
π‘ Hint: Remember how feedback is used in designs.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A feedback amplifier has a forward gain of 150, a feedback factor of 0.05, and an output resistance of 1 kβ¦. Calculate the resulting input and output resistances.
π‘ Hint: Start with the formulas and substitute the known values.
Question 2
If the input voltage to a feedback system is 200 mV and the calculated gain is 12, what is the expected output voltage?
π‘ Hint: Remember the role of voltage gain!
Challenge and get performance evaluation