A dry cloth is used to rub an uncharged glass rod. Both the rod and the cloth become charged.
Why does the glass rod become positively charged and the cloth become negatively charged?
The rod loses electrons and the cloth gains electrons.
The rod gains protons and the cloth loses protons.
The rod gains electrons and the cloth loses electrons.
The rod loses electrons and the cloth gains protons.
145 exam-style questions on CIE IGCSE Physics 4.2.1a Positive and negative charge. Each one has a worked solution and a mark scheme showing where the marks go.