A series of free GCSE/IGCSE Physics Notes and Lessons.
Mains Electricity
What is meant by three-core cable?
Functions of the three wires in the UK.
How the earth wire and the fuse protect us from electrical shocks?
Mains electricity; live, neutral, earth, plugs, fuses and circuit breakers
Structure of wires and cables, fuses and earthing, AC and DC supply and the function of a residual current circuit breaker.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
Mains Electricity
What is meant by three-core cable?
Functions of the three wires in the UK.
How the earth wire and the fuse protect us from electrical shocks?
Structure of wires and cables, fuses and earthing, AC and DC supply and the function of a residual current circuit breaker.
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.
