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 transformer?
💡 Hint: Think about its role in electricity transmission.
Question 2
Easy
What does Faraday's Law of Induction state?
💡 Hint: Consider what happens when a magnet moves near a wire.
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 transformer primarily do?
- Increases Current
- Decreases Voltage
- Changes Voltage Level
💡 Hint: Think about electricity flow in power lines.
Question 2
True or False: All transformers step up voltage.
- True
- False
💡 Hint: Remember the two types of transformers.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a basic transformer that steps down from 10,000V to 240V. Given that the primary coil has 1000 turns, how many turns should the secondary coil have?
💡 Hint: Use the transformer turns ratio to calculate the secondary turns.
Question 2
If a step-up transformer has a primary current of 5A and a secondary current of 1A, what can you infer about the voltage change?
💡 Hint: What happens to current when voltage increases?
Challenge and get performance evaluation