Sizes for electricity
Fundamental Metrological Standards

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Sizes for electricity


Fundamental Metrological Standards

Authors : Maguelonne CHAMBON, Bruno CHAUVENET, Richard DAVIS, Jimmy DUBARD, Françoise LE FRIOUS, Mohamed SADLI, Sophie VASLIN-REIMANN, Jean-Pierre WALLERAND

Publication date: March 10, 2021 | Lire en français

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5. Sizes for electricity

5.1 Measured values

Electricity refers both to the form of energy associated with the movement of electric charges in a conductor, and to the science that deals with electrical phenomena and their applications.

Electric charges can be set in motion by the action of an electromagnetic force, and this flow of charged particles through the conductive material is called an electric current (figure 4 ). Electrons are carriers of negative charge q, whose absolute value is that of the elementary charge (q = –e).

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