Which statement correctly defines the potential difference (p.d.) across a passive component in an electrical circuit?
The total electrical energy transferred to other forms of energy in the component.
The electrical energy transferred to other forms of energy per unit charge passing through the component.
The rate of flow of electric charge passing through the component.
The work done on each unit charge by the power supply to move it around the 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.