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IEVref:112-02-07ID:
Language:enStatus: Standard
Term: ampere
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Symbol: A
Definition: SI unit of electric current, equal to the direct current which, if maintained constant in two straight parallel conductors of infinite length, of circular cross-section with negligible area, and placed 1 metre apart in vacuum, would produce between these conductors a force per length equal to 2 10-7 N/m

NOTE – CGPM definition is as follows: "The ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 metre apart in vacuum, would produce between these conductors a force equal to 2 10-7 newton per metre of length."


Publication date:2010-01
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