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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 ​c Spectrum - A range of transverse waves with many uses​
- 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