Which statement correctly defines the potential difference across an electrical component?
The energy transferred from electrical energy to other forms of energy per unit charge passing through the component.
The energy transferred from other forms of energy to electrical energy per unit charge in a source.
The rate of flow of electrical charge through the component.
The total work done by a power source in moving a unit charge around a complete circuit.
55 exam-style questions on CIE IGCSE Physics 4.2.3a Electromotive force. Each one has a worked solution and a mark scheme showing where the marks go.