AQA GCSE Combined Science Trilogy · 8464
Specification 6.2.1.4 · Paper 5, Paper 6
Revise: Thermistors and LDRsA direct method uses a thermistor, an ohmmeter or multimeter set to measure resistance, connecting leads, crocodile clips, a beaker of warm water and a thermometer. The ohmmeter measures resistance directly, so no separate power supply is connected to the thermistor.