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 is the role of feedback in amplifiers?
π‘ Hint: Think about stability.
Question 2
Easy
Define a pole in the context of frequency response.
π‘ Hint: What happens to gain at specific frequencies?
Practice 3 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 effect does feedback have on amplifier stability?
- Increases distortion
- Reduces distortion
- Has no effect
π‘ Hint: Consider the relationship between feedback and stability.
Question 2
True or False: Poles indicate frequencies where gain increases.
- True
- False
π‘ Hint: Recall what happens to gain at poles.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given an amplifier with a pole at -2+j4 and a feedback factor of 0.1, calculate the new pole location after feedback.
π‘ Hint: Substitute the current location and feedback value in the formula.
Question 2
A two-pole system has poles at -1 and -10. If a feedback network applies a Ξ² value of 0.5, analyze the impact on the response characteristics.
π‘ Hint: Calculate each pole's new position and analyze stability.
Challenge and get performance evaluation