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 mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the role of the base current in a transistor?
💡 Hint: Think about what is required to manage the collector in a transistor.
Question 2
Easy
Name an electronic device that uses transistors.
💡 Hint: Consider devices that require sound amplification.
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 term describes the process of increasing a signal's power?
- Diminution
- Amplification
- Contraction
💡 Hint: Think of how music is made louder.
Question 2
True or False: The collector current is smaller than the base current in a transistor.
- True
- False
💡 Hint: Consider the control mechanism of currents.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a simple transistor amplifier circuit and explain the role of each part in terms of amplification.
💡 Hint: Consider how beta relates to the configuration.
Question 2
If a transistor has a current gain of 150 and a base current of 20 microamps, what is the collector current?
💡 Hint: Use the formula for current gain to derive your answer.
Challenge and get performance evaluation