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.
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.
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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