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GCSE Combined Science · key term
An electrical component whose resistance changes with temperature. For the thermistors studied here, resistance decreases as temperature increases.
Used by AQA
Specification 6.2.1.4 · Paper 5, Paper 6
Revise: Thermistors and LDRsA thermistor responds to temperature, while a light-dependent resistor (LDR) responds to light intensity. Their changing resistance allows circuits to detect changes in their surroundings.
State the direction of the change: increasing temperature decreases thermistor resistance; increasing light intensity decreases LDR resistance.
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