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1. Resistors in Series

Resistors in series: so easy even a 7 year old can explain it (well mostly).

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2. Resistors in Parallel

Resistors in parallel cause the overall resistance to decrease. I also show how you can rearrange the equation when you have just two resistors in parallel to make it even quicker to work out their combined resistance.

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3. How to Construct Real Circuits

Finding it hard to make your circuits work? Use these simple tips to make sure they work every time.

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4. How to Solve Circuit Problems

Just a brief look at some of the most important equations you should use, and why you should label circuit diagrams in different colours as you work through solutions.

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