1 - Circuit Components
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 the formula for calculating resistance?
💡 Hint: Think about the factors that affect resistance.
Name a type of light bulb that uses a filament.
💡 Hint: Remember the type that generates light by heating.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does a resistor do?
💡 Hint: Consider the function of resistors in controlling electricity.
True or False: An open switch has zero resistance.
💡 Hint: Recall the basic characteristics of switches.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A circuit with a bulb and a resistor is powered by a 12V source. If the total resistance is 180Ω, what is the current flowing through the circuit?
💡 Hint: Remember the formula for current.
You have three resistors: 50Ω, 100Ω, 150Ω. How would you wire them in parallel to achieve the total equivalent resistance?
💡 Hint: Use the parallel resistance formula correctly.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.