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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define voltage gain in the context of an amplifier.
π‘ Hint: Think about the relationship between input and output in amplifiers.
Question 2
Easy
What does the emitter resistance (R_E) do in a circuit?
π‘ Hint: Consider its impact on circuit performance.
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 voltage gain of a common emitter amplifier defined as?
- Output Voltage/Input Voltage
- Input Voltage/Output Voltage
- Collector Resistance/Emitter Resistance
π‘ Hint: Think about how an amplifier enhances signals.
Question 2
True or False: An increase in emitter resistance generally increases the overall gain of an amplifier.
- True
- False
π‘ Hint: Consider the trade-offs of resistance in amplifiers.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a circuit with a transconductance of 25 mS and collector resistance of 5 kΞ©, determine the voltage gain if the emitter resistance is 1 kΞ©.
π‘ Hint: Plug in the values carefully into the formula.
Question 2
Analyze the effect of increasing emitter resistance on the voltage gain. What phenomenon occurs and why should designers be cautious?
π‘ Hint: Consider the role of resistance in amplification.
Challenge and get performance evaluation