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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for calculating AC emitter resistance?
💡 Hint: Think about the thermal voltage and emitter current.
Question 2
Easy
What does A_v indicate in a BJT amplifier?
💡 Hint: Recall A_v's relationship to input and output voltages.
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 relationship expressed by the formula A_v = -R_C || R_L / r_e'?
- Input Voltage
- Output Voltage
- Voltage Gain
💡 Hint: Think about what A_v represents in our circuit.
Question 2
True or False: The input resistance R_in increases as beta_ac decreases.
- True
- False
💡 Hint: Consider the formula for R_in.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a BJT circuit with specified gains and calculate R_C and R_E to maintain stability while applying the criteria A_v = 10.
💡 Hint: Start with your known gain formula to derive the necessary component values.
Question 2
Given an amplifier with R_C = 1.5 kΩ and varying C_C values, determine the impact on f_L by varying C_C from 10 µF to 1 µF.
💡 Hint: Remember to apply the relationship of capacitance and frequency response.
Challenge and get performance evaluation