PhysicalConstants`

VacuumPermittivity

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

VacuumPermittivity

is the permittivity of vacuum, a universal constant.

更多信息和选项

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

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