Practice Relays - 3.2.2 | Chapter 3: Sensors, Actuators, and Embedded Systems | IoT (Internet of Things) Basic
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Academics
Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Professional Courses
Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβ€”perfect for learners of all ages.

games

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a relay?

πŸ’‘ Hint: Think about how a switch operates.

Question 2

Easy

Name one application of relays.

πŸ’‘ Hint: Consider home automation systems.

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 relay do?

  • Controls low-voltage devices
  • Acts as an electrically operated switch
  • Completely cuts off electricity

πŸ’‘ Hint: Think of how relays interact with the electrical systems.

Question 2

True or False: Relays can control high-voltage devices with a low-voltage signal.

  • True
  • False

πŸ’‘ Hint: Think about how safety and effectiveness are achieved.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design an IoT system that utilizes relays for both security and convenience. Describe each relay's function.

πŸ’‘ Hint: Think about how various appliances or security setups interact.

Question 2

Develop a troubleshooting guide for common relay failures in an IoT application. List at least three potential issues.

πŸ’‘ Hint: Focus on electrical connections and signal paths.

Challenge and get performance evaluation