Current–potential difference characteristics
What Current–potential difference characteristics means in Combined Science GCSE, as defined for AQA.
Definitions of Current–potential difference characteristics
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Reference: AQA
Graphs for ohmic and non-ohmic components, where the shape shows what happens to resistance rather than only reading coordinates.
The graph curves, and the gradient decreases as potential difference increases, showing that resistance is not constant.
Topics that use Current–potential difference characteristics
- Resistors (AQA GCSE)
Related terms
- Charge carriers in semiconductors
- Circuit construction and diagrams
- Circuit design for valid measurement
- Diode
- Experimental measurement and error
- Filament lamp
- Forward bias
- Light-dependent resistance
Using Current–potential difference characteristics in the exam
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