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 a current amplifier?
💡 Hint: Think about the function of the amplifier in your audio systems.
Question 2
Easy
What role does a BJT play in current amplifiers?
💡 Hint: Consider which electronics components are essential in amplifying signals.
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 a current amplifier primarily do?
- Amplifies voltage signals
- Amplifies current signals
- Both
💡 Hint: Recall the functionality of current versus voltage amplifiers.
Question 2
True or False: An AC coupling capacitor allows DC signals to pass.
- True
- False
💡 Hint: Think about how coupling capacitors are used in circuits.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a BJT current amplifier with an unloaded current gain of 10. If the input current is 2 mA, what is the output current?
💡 Hint: Simply multiply the input by the gain.
Question 2
Explain how to account for loading effects when connecting a load resistor to the output of a current amplifier.
💡 Hint: Think back to the formulas we derived for loading effects.
Challenge and get performance evaluation