A student rubs a latex rubber balloon against a dry woollen sweater. The balloon becomes negatively charged.
Explain, in terms of particles, why the balloon has acquired a negative 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.