Series and parallel circuits

3 lessons in Electricity.

27 exam questions · 61 marks

2.7 Series circuits The rules for current, potential difference and resistance in a series circuit, with worked calculations. AQA Edexcel OCR 9 questions 2.8 Parallel circuits The rules for current, potential difference and resistance in a parallel circuit, why total resistance falls when a branch is added, and why homes are wired in parallel. AQA Edexcel OCR 9 questions 2.9 Required practical: resistance of wires and combinations Required practical: investigate how the resistance of a wire depends on its length, and how resistors combine in series and in parallel. AQA Edexcel OCR 9 questions