A student has suspended a lightweight plastic sphere, which has been electrically charged, from a thin insulating thread.
Explain how the student can show that another charged plastic sphere has the same type of 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.