BRAINCAKEResistivity
Resistivity is used to describe an electrical property of a material.
Different components made from the same material will have different values of resistance because they will have different lengths or different cross-sectional areas, but the material will have the same resistivity.
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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
- Ohm's Law
- Temperature and Resistance
- IV Graphs
- Diodes
- Temperature and Number Density
- The Thermistor
- The Light Dependent Resistor
- Electrical Power
All 30 lessons in Electricity · All OCR AS-level Physics topics