Infinitely Long Wire Magnetic Field
A magnetic field is the magnetic effect of electric currents and magnetic materials for an infinitely long wire; it is created by the current flowing through the wire.
The magnetic flux density is proportional to the current divided by distance from the wire.
Formula
![Copy to Clipboard QuantityVariable["B", "MagneticFluxDensity"] == (Quantity[1/(2*Pi), "MagneticConstant"]*QuantityVariable["I", "ElectricCurrent"])/QuantityVariable["d", "Distance"]](https://www.wolframcloud.com/objects/resourcesystem/marketplacestorage/resources/921/921a21a0-eafe-49bb-a6f8-4d4185a7708d/Webpage/FormulaImage.png)
| symbol | description | physical quantity |
|---|---|---|
| B | magnetic flux density | "MagneticFluxDensity" |
| d | distance | "Distance" |
| I | electric current | "ElectricCurrent" |
Forms
Examples
Get the resource:
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Get the formula:
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Use some values:
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