Electric constant
Revision as of 17:39, 31 March 2010 by Physchim62 (talk | contribs) (Created page with 'The '''electric constant''' (symbol: '''''ε''<sub>0</sub>'''), also known as the '''vacuum permittivity''' or the '''permittivity of free space''', is a physical constant th…')
The electric constant (symbol: ε0), also known as the vacuum permittivity or the permittivity of free space, is a physical constant that describes the force between two charged bodies in vacuum. The exact definition (and value) depends on the system of quantities used, but in the International System of Quantities (ISQ), the electric constant has a defined value of approximately 8.854187816 × 10-12 F/m.
The electric constant is related to the magnetic constant μ0 and the speed of light c0 by the equation c20 = 1/ε0μ0.
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See also the corresponding article on Wikipedia. |
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