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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define output impedance and its significance.
💡 Hint: Think about how connected components affect voltage levels.
Question 2
Easy
What is transconductance and why is it important?
💡 Hint: Consider its role in amplifier circuits.
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 purpose of output impedance?
- To measure input voltage
- To determine how output varies with load
- To store charge
💡 Hint: Think about the effects of changing the load on circuit performance.
Question 2
True or False: Transconductance indicates the efficiency of current to voltage conversion.
- True
- False
💡 Hint: Recall how this is often measured in amplifiers.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If you have a common collector circuit with a specified load impedance of 200 ohms and a voltage gain of 2, calculate the required output impedance.
💡 Hint: Use the relationship given for voltage gain to find the relation with output impedance.
Question 2
A transistor has an early voltage of 20V and a collector current of 5mA; calculate the transconductance and the equivalent resistance.
💡 Hint: Remember the formulas relating early voltage, collector current, and transconductance!
Challenge and get performance evaluation