Question

what is premimmitative of free space​

Answer 1

The permittivity of free space (a vacuum) is a physical constant equal to approximately 8.85 x 10-12 farad per meter (F/m). It is symbolized o. In general, permittivity is symbolized and is a constant of proportionality that exists between electric displacement and electric field intensity in a given medium.

Answer 2

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The physical constant ε₀, commonly called the vacuum permittivity, permittivity of free space or electric constant or the distributed capacitance of the vacuum, is an ideal, physical constant, which is the value of the absolute dielectric permittivity of classical vacuum.

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