The Thermistor
A thermistor is a temperature dependent resistor. It is made from a semiconductor material that has a negative temperature coefficient. As the temperature of the thermistor increases the resistance decreases.

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Key terms in this lesson
- resistance
- The ratio of the potential difference across a component to the current through it.
More in Electricity
- IV Graphs
- Diodes
- Resistivity
- Temperature and Number Density
- The Light Dependent Resistor
- Electrical Power
- Electricity in the Home
- Kirchoff's Second Law
All 30 lessons in Electricity · All OCR AS-level Physics topics