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
Define voltage amplifier.
💡 Hint: Think about what amplifiers do.
Question 2
Easy
What does the term "gain" in amplifiers refer to?
💡 Hint: Consider what happens to the voltage.
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 voltage amplifier?
- A device that increases current
- A device that increases voltage
- A device that decreases voltage
💡 Hint: Remember what amplifiers do.
Question 2
True or False: Output resistance affects how voltage appears at the output.
- True
- False
💡 Hint: Consider the relationship between output and connected loads.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are tasked with designing a two-stage voltage amplifier. Given specific voltage gains for each stage, calculate the total gain and ascertain the potential loading effects.
💡 Hint: Remember the cascading gain must consider each output resistance.
Question 2
Illustrate how varying the load resistance at an output can affect the voltage output signal in an amplifier. Provide numerical examples with calculations.
💡 Hint: Utilize the concept of potential divider to compute outcomes.
Challenge and get performance evaluation