A student holds a rod in their hand and rubs it with a dry cloth. After rubbing, the rod becomes negatively charged.
Of which material could the rod be made, and how is the charge transferred?
Copper | Electrons from cloth to rod
Copper | Electrons from rod to cloth
Plastic | Electrons from cloth to rod
Plastic | Electrons from rod to cloth
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.