A plastic rod is rubbed with a woolen cloth and becomes negatively charged. Which statement explains how this happens?
Negative charges move from the woolen cloth to the plastic rod.
Negative charges move from the plastic rod to the woolen cloth.
Positive charges move from the woolen cloth to the plastic rod.
Positive charges move from the plastic rod to the woolen 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.