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WJEC Electric Circuits

Mae’r testing hon yn edrych ar gylchedau cerrynt union.

Choose your topic:

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

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

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

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

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  • Resistors in Parallel [FREE] - Including the equation you need to calculate this

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

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

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

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

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

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