A student rubs a clear acetate rod with a dry cleaning cloth. The acetate rod becomes positively charged.
Explain, in terms of particles, why the acetate rod has became positively charged.
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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.