BRAINCAKECurrent-Voltage Graphs
For a filament lamp for small voltages the current is proportional to the potential difference and the filament lamp acts as an ohmic conductor.
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Key terms in this lesson
- ohmic conductor
- A component whose current is directly proportional to the potential difference across it at constant temperature.
More in Electrical Quantities
- The Electron Volt
- Resistance
- Ohm's Law
- Example Question
- Resistivity
- Conduction and Drift Velocity
- Resistance and Temperature
- Semiconductors
All 18 lessons in Electrical Quantities · All Edexcel AS-level Physics topics