Which row shows the meaning of the abbreviation p.d. and the unit in which it is measured?
meaning: potential distance; unit: J\text{J}J
meaning: potential distance; unit: V\text{V}V
meaning: potential difference; unit: J\text{J}J
meaning: potential difference; unit: V\text{V}V
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.