4.2 - Tip
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
Why should you disconnect power before working with a circuit?
💡 Hint: Think about what happens if you touch live wires.
What does checking polarities mean?
💡 Hint: Remember to check the markings on your components.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
Why is it crucial to disconnect power before working on a circuit?
💡 Hint: Consider the risks of live electronics.
Always check polarities before connecting components.
💡 Hint: What could happen if you reverse the connections?
1 more question available
Challenge Problems
Push your limits with advanced challenges
If a beginner connects a battery with the wrong polarity, what measures can be taken before they try to connect it again?
💡 Hint: Double-checking prevents damage.
How would you instruct a peer to build a simple circuit correctly while ensuring safety?
💡 Hint: Consider the order of operations for building safely.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.