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Magnetic flux | |
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Common symbols | Φ, ΦB |
SI unit | weber (Wb) |
Other units | maxwell |
In SI base units | kg⋅m2⋅s−2⋅A−1 |
Dimension | M L2 T−2 I−1 |
Articles about |
Electromagnetism |
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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[1]. 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.
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