MathLiveOhm's law
Ohm's law states that the voltage across an ideal resistor is proportional to the current through it, with resistance as the constant of proportionality. It is used for analysing simple resistive circuits.
V = IRWhat the symbols mean
| voltage across the resistor (volts, \mathrm{V}) | |
| electric current through the resistor (amperes, \mathrm{A}) | |
| electrical resistance (ohms, \Omega) |
About this formula
- FieldPhysics
- TopicElectricity and circuits
- LevelHigh school
- Also calledvoltage current resistance relationship, ohms law formula, voltage equals current times resistance, resistor voltage current
- SourceWikidata Q41591
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