Physics A-Level
Temperature and resistance
What Temperature and resistance means in Physics A-Level, as defined for AQA.
Definition of Temperature and resistance
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Reference: AQA
In a metal conductor, heating increases lattice ion vibration, so electrons collide more often and resistance rises; in a negative temperature coefficient thermistor, heating releases more charge carriers, so resistance falls steeply.
Topics that use Temperature and resistance
- Resistivity (AQA A-Level)
Related terms
- Charge carriers and scattering
- Experimental determination of resistivity
- Graphical analysis using gradients
- Magnetic field generation
- Materials and critical limits
- Measurement uncertainty and control of variables
- Non-linear resistance–temperature graphs
- ntc thermistor
Using Temperature and resistance in the exam
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