Practice - Domestic Electric Circuits
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 color is the live wire in a domestic circuit?
💡 Hint: Think about common wiring color codes.
What is the function of the earth wire?
💡 Hint: Consider safety measures in electrical systems.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the potential difference between the live and neutral wire in a typical domestic circuit?
💡 Hint: Consider standard voltage levels for household wiring.
True or False: The earth wire is used for carrying current to appliances.
💡 Hint: Think about the purpose of the earth wire.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A household circuit is designed to support four appliances with ratings 2 kW, 1.5 kW, 1 kW, and 600W. If all appliances operate simultaneously, what would be the total current drawn from a 220V circuit? Would this overload a typical 15A circuit?
💡 Hint: Calculate the current by converting all power ratings to a common unit.
Explain the modification needed in a domestic circuit if a new 3kW water heater is to be installed. What are the implications for fusing?
💡 Hint: Consider the power demands and safety features that need adjustments.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.