Which of the following is the correct definition of the potential difference (p.d.) across an electrical component?
the rate of flow of electric charge through the component
the energy converted from electrical potential energy to other forms per unit charge passing through the component
the total electrical energy dissipated by the component per unit time
the work done per unit time to move a charge through the component
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.