MathLiveElectrical power formula
Gives the electrical power dissipated or delivered by a circuit element as the product of the current through it and the voltage across it. It is used whenever electrical power or joule heating in a resistor or circuit is calculated.
P=IVWhat the symbols mean
| electric power (W) | |
| electric current (A) | |
| voltage across the element (V) |
About this formula
- FieldPhysics
- TopicElectricity and magnetism
- LevelHigh school
- Also calledJoule's law, Joule's first law, Joule-Lenz law, electric power formula, power in electric circuit, joule heating power
- SourceWikidata Q210009
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