IUPAC > Gold Book > alphabetical index > P > permittivity of vacuum
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permittivity of vacuum
Fundamental physical constant Math - ei exactly, where Math - ei is the permeability of vacuum and Math - ei the speed of light in vacuum. It is equal to Math - ei.
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Cite as: IUPAC Compendium of Chemical Terminology, Electronic version, http://goldbook.iupac.org/P04508.html.
Transformed and rewritten from PDF version (entry http://www.iupac.org/goldbook/P04508.pdf)
by: Miloslav Nic, Jiri Jirat, Bedrich Kosata, ICT Prague, Czech Republic
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