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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the basic function of a common collector amplifier?
💡 Hint: Remember its role in interfacing with high-resistance sources.
Question 2
Easy
If Q1 has a current gain (β) of 100, what is the base current for an emitter current of 1 mA?
💡 Hint: Use the formula relating emitter current and base current through β.
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 the common collector stage in an amplifier?
- To provide low input resistance
- To maintain high input resistance
- To increase output current
💡 Hint: Consider the input characteristics of high source resistance.
Question 2
The input resistance of a CE amplifier is affected by which key factor?
- True
- False
💡 Hint: Think about how amplifier configuration affects loading effects.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a circuit with R1 = 47 MΩ and β = 150, if the emitter current of Q1 is 1.2 mA, calculate the input resistance.
💡 Hint: Consider how to combine resistance values properly.
Question 2
In a CE configuration with a Darlington pair, calculate the input impedance and comment on the resulting bandwidth.
💡 Hint: The trade-off is crucial in amplifier design decisions.
Challenge and get performance evaluation