Practice - Principle
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
What is a transformer?
💡 Hint: Think about how it affects electricity in homes.
Define a step-up transformer.
💡 Hint: Focus on the number of turns in the coils.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What principle do transformers operate on?
💡 Hint: Remember what induces voltage in the coils.
A step-up transformer produces higher output voltage compared to input voltage.
💡 Hint: Consider the meaning of step-up.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A transformer has 100 turns in the primary coil and 200 turns in the secondary. If the primary voltage is 120V, what is the secondary voltage?
💡 Hint: Consider the formula relating turns and voltage.
Explain how reducing the number of turns in the secondary coil of a transformer impacts voltage and current.
💡 Hint: Review the transformer’s function in relation to power conservation.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.