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
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens to capacitors in small signal equivalent circuits?
💡 Hint: Think about how they behave in AC analysis.
Question 2
Easy
What is the equation for collector current I_C in terms of base current I_B?
💡 Hint: Remember the relationship between base and collector currents.
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 does the small signal equivalent circuit treat DC values as?
- Zero
- Infinity
- Constant
💡 Hint: Consider the overall purpose of small signal analysis.
Question 2
True or False: V_out can become positive if I_C is negative.
- True
- False
💡 Hint: Think about how current flows in the circuit.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a CE amplifier with R_C = 2kΩ, beta = 120, and I_B = 20µA, calculate the maximum possible V_out.
💡 Hint: Remember to consider the direction of current flow for voltage polarity.
Question 2
Discuss how a change in temperature influences beta and subsequently the signal output in a real amplifier.
💡 Hint: Consider how `beta` affects both the input and output currents.
Challenge and get performance evaluation