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  2. Oersted - Wikipedia

    en.wikipedia.org/wiki/Oersted

    The oersted is closely related to the gauss (G), the CGS unit of magnetic flux density. In vacuum, if the magnetizing field strength is 1 Oe, then the magnetic field density is 1 G, whereas in a medium having permeability μ r (relative to permeability of vacuum), their relation is

  3. Gauss (unit) - Wikipedia

    en.wikipedia.org/wiki/Gauss_(unit)

    The gauss is the unit of magnetic flux density B in the system of Gaussian units and is equal to Mx/cm 2 or g/Bi/s 2, while the oersted is the unit of H-field. One tesla (T) corresponds to 10 4 gauss, and one ampere (A) per metre corresponds to 4π × 10 −3 oersted.

  4. Oersted's law - Wikipedia

    en.wikipedia.org/wiki/Oersted's_law

    In electromagnetism, Ørsted's law, also spelled Oersted's law, is the physical law stating that an electric current induces a magnetic field. [ 2 ] This was discovered on 21 April 1820 by Danish physicist Hans Christian Ørsted (1777–1851), [ 3 ] [ 4 ] when he noticed that the needle of a compass next to a wire carrying current turned so ...

  5. Hans Christian Ørsted - Wikipedia

    en.wikipedia.org/wiki/Hans_Christian_Ørsted

    Hans Christian Ørsted (/ ˈ ɜːr s t ɛ d /; [5] Danish: [ˈhænˀs ˈkʰʁestjæn ˈɶɐ̯steð] ⓘ; often rendered Oersted in English; [note 1] 14 August 1777 – 9 March 1851) was a Danish physicist and chemist who discovered that electric currents create magnetic fields. This phenomenon is known as Oersted's law.

  6. Maximum energy product - Wikipedia

    en.wikipedia.org/wiki/Maximum_energy_product

    It is often denoted (BH) max and is typically given in units of either kJ/m 3 (kilojoules per cubic meter, in SI electromagnetism) or MGOe (mega-gauss-oersted, in gaussian electromagnetism). [1] [2] 1 MGOe is equivalent to 7.958 kJ/m 3. [3]

  7. Orders of magnitude (magnetic field) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude...

    This page lists examples of magnetic induction B in teslas and gauss produced by various sources, grouped by orders of magnitude. The magnetic flux density does not measure how strong a magnetic field is, but only how strong the magnetic flux is in a given point or at a given distance (usually right above the magnet's surface).

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  9. Magnetic field - Wikipedia

    en.wikipedia.org/wiki/Magnetic_field

    Gauss' law for magnetism Main article: Gauss's law for magnetism One important property of the B -field produced this way is that magnetic B -field lines neither start nor end (mathematically, B is a solenoidal vector field ); a field line may only extend to infinity, or wrap around to form a closed curve, or follow a never-ending (possibly ...