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Talk:Magnetic constant

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 Definition A physical constant in the International System of Units (SI) relating mechanical force and electric current in classical vacuum with a defined value μ0 = 4π × 10−7 N/A2. [d] [e]
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This comes from http://en.wikipedia.org/wiki/Magnetic_constant. I wrote it. I do not know in what variety of english (probably: Broken English). /Pieter Kuiper 19:19, 28 October 2007 (CDT)

Gaussian units

The article states that in Gaussian units μ0 and ε0 do not enter the theory. I find this statement a bit lacking, because it doesn't say what "theory" we are talking about. I'd guess that it would be preferable to say that μ0 and ε0 play no role when Gaussian units are employed. I've changed the text to read this way. John R. Brews 13:23, 29 November 2010 (UTC)