During a physics demonstration, a teacher rubs a polythene rod with a dry woollen cloth. Explain, in terms of electron transfer, how this process leaves the polythene rod with a net negative electric charge.
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Markscheme
11.1 Charging by friction Questions
47 exam-style questions on Edexcel GCSE Physics 11.1 Charging by friction. Each one has a worked solution and a mark scheme showing where the marks go.