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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does an emitter resistor do in a transistor circuit?
💡 Hint: Think about its role in thermal stability.
Question 2
Easy
Define transconductance.
💡 Hint: It’s a key factor in understanding amplifier 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 effect of the emitter resistor on the voltage gain in a common emitter amplifier?
- Decreases gain
- Increases gain
- No effect
- Only affects DC output
💡 Hint: Think about how R_E modifies the gain equation.
Question 2
True or False: A coupling capacitor allows DC signals to pass while blocking AC signals.
- True
- False
💡 Hint: Remember the function of a coupling capacitor in AC vs DC.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a common emitter amplifier with R_E = 2kΩ and R_C = 10kΩ, calculate the voltage gain assuming g_m = 0.035 S.
💡 Hint: Plug values into the voltage gain formula.
Question 2
If the emitter resistor must be reduced to recover gain, what might happen if it is made very small? Discuss possible circuit behavior.
💡 Hint: Consider thermal stability and sensitivity factors in transistor circuits.
Challenge and get performance evaluation