A negatively charged balloon is placed against a wall. The charge makes the balloon stick to the wall.
Which statement explains this?
Negative charges on the balloon attract protons in the wall.
Negative charges on the balloon attract electrons in the wall.
Negative charges on the balloon repel protons in the wall.
Negative charges on the balloon repel electrons in the wall.
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.