Two neutral rods P and Q are rubbed with separate neutral cloths. P loses electrons and Q gains electrons. Both cloths retain their charges. The rods are taken away and the two cloths are brought close together. Which statement is correct?
The cloth used for P is positive, the cloth used for Q is negative, and they attract.
The cloth used for P is positive, the cloth used for Q is negative, and they repel.
The cloth used for P is negative, the cloth used for Q is positive, and they repel.
The cloth used for P is negative, the cloth used for Q is positive, and they attract.
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.