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 is the function of the base-emitter junction in a BJT?
💡 Hint: Think about where the current enters the transistor.
Question 2
Easy
Define minority carrier.
💡 Hint: Consider their relation to majority carriers.
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 occurs at the base-emitter junction during normal operation?
- It's reverse biased
- It's forward biased
- No bias is applied
💡 Hint: Consider the current entry point into the BJT.
Question 2
True or False: The reverse current in a BJT is mainly due to the movement of majority carriers.
- True
- False
💡 Hint: Focus on the definitions of minority and majority carriers.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a BJT with a collector current of 0.1 mA under reverse bias at room temperature, calculate the expected reverse saturation current assuming a strong bias.
💡 Hint: Use the basic relationship between current, bias, and physical properties of the transistor.
Question 2
Explain why BJTs become less efficient at high temperatures when operating with a reverse bias condition.
💡 Hint: Consider the relationship between temperature and semiconductor physics.
Challenge and get performance evaluation