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
What is the value of the base-emitter voltage drop V_BE used in practical situations?
💡 Hint: Refer to typical BJT characteristics.
Question 2
Easy
How do you compute the emitter voltage in a common base amplifier?
💡 Hint: V_EMITTER = V_BASE - V_BE.
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 typical voltage drop across the base-emitter junction of a BJT?
- 0.2V
- 0.6V
- 0.8V
💡 Hint: Think about BJT characteristics.
Question 2
True or False: The output impedance of a common base amplifier is mainly determined by R_C.
- True
- False
💡 Hint: Consider the overall circuit configuration.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a common base amplifier with V_B = 10 V, V_T = 26 mV, and I_E = 2 mA, calculate g_m and r_π.
💡 Hint: Remember the relationships for small signal parameters.
Question 2
Analyze the output impedance when the circuit shows R_C=3 kΩ and find the effect on circuit performance.
💡 Hint: Calculate R_out= R_C || r_o with values derived during calculations.
Challenge and get performance evaluation