Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define voltage gain in the context of an amplifier.
💡 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?
💡 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
💡 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
💡 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 kΩ, determine the voltage gain if the emitter resistance is 1 kΩ.
💡 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?
💡 Hint: Consider the role of resistance in amplification.
Challenge and get performance evaluation