Edexcel Electricity and Circuits | GCSE Physics Online

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Edexcel Electricity and Circuits

This topic looks at both electricity in circuits which use direct current and also the mains alternating supply.

Choose your topic:

Circuit Symbols [FREE] - The symbols you need to remember when drawing and making circuits

Electric Current [FREE] - The rate of flow of electrons

Potential Difference and Resistance [FREE] - Potential difference is also known as voltage

Resistors, Filament Lamps and Diodes [FREE] - Including their characteristics

LDRs and Thermistors - Really useful components that can change their resistance

Series and Parallel Circuits - How the potential difference and current vary

Circuit Examples - Showing how to apply your new knowledge to circuits

Building Circuits - Some ideas to help you make sure your electrical circuits always work

Electrical Power - The rate of energy transfer and how we calculate this for circuits

Energy Transfer in Circuits - The relationship between energy and potential difference

Alternating Current - This is the kind of electrical supply used in homes and industry

Circuit Breakers - How miniature circuits breakers work

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