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Magnetic flux - Wikipedia

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In physics, specifically electromagnetism, the magnetic flux through a surface is the surface integral of the normal component of the magnetic field B over that surface. It is usually denoted Φ or ΦB. The SI unit of magnetic flux is the weber (Wb; in derived units, volt–seconds), and the CGS unit is the maxwell. Magnetic flux is usually measured with a fluxmeter, which contains measuring coils, and it calculates the magnetic flux from the change of voltage on the coils. The magnetic interaction is described in terms of a vector field, where each point in space is associated with a vector that determines what force a moving charge would experience at that point (see Lorentz force).[1] Since a vector field is quite difficult to visualize, introductory physics instruction often uses field lines to visualize this field. The magnetic flux through some surface, in this simplified picture, is proportional to the number of field lines passing through that surface (in some contexts, the flux ma

Magnetic flux - Wikipedia Jump to content From Wikipedia, the free encyclopedia Surface integral of the magnetic field Not to be confused with Magnetic flux density . This article includes a list of general references but lacks corresponding inline citations . Please help improve this article by introducing more precise citations. ( July 2016 ) ( Learn how and when to remove this message ) '''''B'''''</sub>}}"},"unit":{"wt":"[[weber (unit)|weber]] (Wb)"},"otherunits":{"wt":"[[maxwell (unit)|maxwell]]"},"baseunits":{"wt":"[[kilogram|kg]]⋅[[metre|m]]<sup>2</sup>⋅[[second|s]]<sup>−2</sup>⋅[[amper

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