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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is output impedance?
💡 Hint: Think about what connects to the output.
Question 2
Easy
What does voltage gain indicate?
💡 Hint: It's a ratio of output voltage to input voltage.
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 output impedance of a common base amplifier affected by?
- Input impedance
- Load resistance
- Both A and B
💡 Hint: Consider how these two aspects interact in a circuit.
Question 2
True or False: A high output impedance is desirable in amplifiers.
- True
- False
💡 Hint: Think about power transfer.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a common base amplifier with a collector resistance of 4 kΩ, and the output resistance of the transistor is 60 kΩ. Calculate the output impedance and discuss its implications for circuit performance.
💡 Hint: Apply the parallel resistance formula.
Question 2
Given an input capacitance of 15 pF and an output resistance of 2 kΩ, determine the upper cutoff frequency and analyze how it influences bandwidth.
💡 Hint: Convert pF to farads before calculations.
Challenge and get performance evaluation