A glass rod is rubbed with a dry silk cloth. This process causes both the rod and the cloth to become electrostatically charged due to the transfer of electrons.
Which of the following correctly compares the types of charges acquired by the glass rod and the silk cloth, and describes the electrostatic force between them?
Opposite charges; they repel
Opposite charges; they attract
Identical charges; they repel
Identical charges; they attract
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.