PhysicalConstants`

VacuumPermeability

As of Version 9.0, physical constant functionality is built into the Wolfram Language »

VacuumPermeability

is the permeability of vacuum, a universal constant.

更多信息和选项

To use VacuumPermeability, you first need to load the Physical Constants Package using Needs["PhysicalConstants`"].
VacuumPermeability is given in units of Second*Volt/(Ampere*Meter).

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