Thermistor
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Key Stage 4
Meaning
A thermistor is a resistor which changes resistance depending on the temperature.
About Thermistors
- 'NTC' thermistors decrease resistance as the temperature increases.
- A thermistor can be used to control the current passing through a circuit. If the potential difference is constant then the current decreases as temperature decreases.
- A thermistor can be used to control the potential difference of another component in series with it. If the temperature is decreased then the potential difference across other components will decrease.
- Thermistors can be used temperature sensors.