Two small plastic tokens are both charged. Token X has a negative charge. When the tokens are brought close together, they repel. Which statement about token Y is correct?
Token Y has a negative charge
The sign of token Y's charge cannot be determined
Token Y has a positive charge
Token Y has no overall charge
91 exam-style questions on Edexcel GCSE Physics 11.1 Charging by friction, covering 11.1.1 Charging insulators by friction, 11.1.2 Forces between charges, 11.1.3 Electrostatic phenomena, and 11.1.4 Earthing and removing charge. Each one has a worked solution and a mark scheme showing where the marks go.