A unit system for electromagnetism. Electrical quantities are expressed in electrostatic units, and magnetic quantities in electromagnetic units. The permittivity of a vacuum is ε 0 = 1, and the magnetic permeability is μ 0 = 1, so electricity and magnetism are well symmetric in Maxwell's equations. Since it is expressed in the CGS unit system, it is also called the CGS Gaussian unit system. Source: About Shogakukan Digital Daijisen Information | Legend |
電磁気の単位系の一。電気に関する物理量を静電単位、磁気に関する物理量を電磁単位で表す。真空の誘電率ε0=1、透磁率μ0=1となり、マクスウェルの方程式などで電気と磁気の対称性がよい。CGS単位系によって表されるため、CGSガウス単位系ともいう。
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