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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What color is the live wire in a domestic circuit?
💡 Hint: Think about common wiring color codes.
Question 2
Easy
What is the function of the earth wire?
💡 Hint: Consider safety measures in electrical 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 is the potential difference between the live and neutral wire in a typical domestic circuit?
- 110V
- 220V
- 330V
💡 Hint: Consider standard voltage levels for household wiring.
Question 2
True or False: The earth wire is used for carrying current to appliances.
- True
- False
💡 Hint: Think about the purpose of the earth wire.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation