3.2.2 - Relays
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 relay?
💡 Hint: Think about how a switch operates.
Name one application of relays.
💡 Hint: Consider home automation systems.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does a relay do?
💡 Hint: Think of how relays interact with the electrical systems.
True or False: Relays can control high-voltage devices with a low-voltage signal.
💡 Hint: Think about how safety and effectiveness are achieved.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design an IoT system that utilizes relays for both security and convenience. Describe each relay's function.
💡 Hint: Think about how various appliances or security setups interact.
Develop a troubleshooting guide for common relay failures in an IoT application. List at least three potential issues.
💡 Hint: Focus on electrical connections and signal paths.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.