Which physical property is used to measure temperature in a thermocouple?
the electrical resistance of a metal wire.
the electromotive force (e.m.f.) between two junctions of different metals.
the pressure of a fixed gas at constant volume.
the thermal conductivity of a metal.
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.