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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a common base amplifier primarily do?
π‘ Hint: Think about its application and its characteristics.
Question 2
Easy
How is voltage gain expressed in terms of input and output voltages?
π‘ Hint: Recall the definition of voltage gain.
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 feature of a common base amplifier?
- High input impedance
- Low input impedance
- Medium input impedance
π‘ Hint: Recall how the base terminal interacts with the signals in this amplifier configuration.
Question 2
True or False: The output impedance of a common base amplifier is generally very high.
- True
- False
π‘ Hint: Consider the calculated output impedance from earlier calculations.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a common base amplifier with a collector current of 1 mA, calculate the operating point and the output voltage if the load resistor is 3 kΞ© and the supply voltage is 10 V.
π‘ Hint: Utilize Ohm's Law to relate current and voltage across the load resistor.
Question 2
How would an increase in the Early voltage affect the output impedance of a common base amplifier? Discuss.
π‘ Hint: Reflect on how Early voltage defines transistor behavior in active regions.
Challenge and get performance evaluation