Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
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 related to the topic.
Question 1
Easy
Why should you disconnect power before working on a circuit?
💡 Hint: Think about safety first.
Question 2
Easy
What is the safe voltage for beginner projects?
💡 Hint: Consider which voltages are listed as safe.
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 should you do before making changes to a circuit?
- Connect all wires first
- Disconnect power
- Check the circuit with a multimeter
💡 Hint: Consider the steps to ensure personal safety.
Question 2
True or False: You should connect components of any voltage without checking their orientation.
- True
- False
💡 Hint: Think about circuit safety.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A student forgets to disconnect the power before making a connection and gets a mild shock. What steps should be taken in the future to prevent this?
💡 Hint: Reflect on the safety steps discussed in class.
Question 2
You plan to connect a 9V battery to a system featuring a mix of components rated for 5V. What precautions should you take before proceeding?
💡 Hint: Think about ensuring everything matches before beginning.
Challenge and get performance evaluation