BRAINCAKEFixed Resistors
When an IV graph is plotted, a wire gives a straight line through the origin.
The resistance of the wire does not change when the current changes.
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Key terms in this lesson
- Resistance
- The ratio of the potential difference across a component to the current flowing through it, measured in ohms.
More in Electric Current
- Superconductivity
- Electronic Components
- Investigating the Characteristics of Components
- IV Graphs
- Filament Lamp
- Thermistors and Light Dependent Resistors
- Diodes
- Resistance and Temperature
All 20 lessons in Electric Current · All AQA AS-level Physics topics