Physics A-Level
thermistor
What thermistor means in Physics A-Level, as defined for AQA, OCR.
Definitions of thermistor
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Reference: AQA
A component whose resistance falls as temperature rises, so in a divider its output p.d. changes with temperature.
An NTC thermistor has a resistance that decreases as temperature increases.
Topics that use thermistor
- Potential divider (AQA A-Level)
- Potential dividers (OCR A-Level)
Related terms
- LDR
- Potential divider
- Effect of loading on a divider output
- Effect of loading on output p.d.
- Sensing and switching applications
- Sensor resistance and physical conditions
- Sensors in potential divider circuits
- Series circuits and p.d. sharing
Using thermistor in the exam
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