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 skillsβperfect 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 does a current amplifier do?
π‘ Hint: Think about the purpose of amplifying a signal.
Question 2
Easy
What is the role of a DC coupling capacitor?
π‘ Hint: Consider how it affects signal transmission.
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 a current amplifier primarily used for?
- A. Voltage amplification
- B. Current amplification
- C. Signal filtering
π‘ Hint: Think about what type of signal you are working with.
Question 2
The term 'unloaded current gain' refers to:
- True
- False
π‘ Hint: Recall the definition discussed in class.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a current amplifier circuit with a specified output current of 100mA and an unloaded current gain of 10. Determine the required input current.
π‘ Hint: Use algebra to rearrange the formula.
Question 2
Given the loading parameters as R_O = 100Ξ© and R_in = 50Ξ©, and a source current of 4mA, calculate the effective output current and analyze how it differs from the unloaded case.
π‘ Hint: Consider the parallel resistance formulas.
Challenge and get performance evaluation