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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 ...
This phenomenon is known as Oersted's law. He also discovered aluminium , a chemical element . A leader of the Danish Golden Age , Ørsted was a close friend of Hans Christian Andersen and the brother of politician and jurist Anders Sandøe Ørsted , who served as Prime Minister of Denmark from 1853 to 1854.
The oersted (/ ˈ ɜːr s t ɛ d /,; [1] symbol Oe) is the coherent derived unit of the auxiliary magnetic field H in the centimetre–gram–second system of units (CGS). [2] It is equivalent to 1 dyne per maxwell .
In physics, electromagnetism is an interaction that occurs between particles with electric charge via electromagnetic fields.The electromagnetic force is one of the four fundamental forces of nature.
After Ørsted's departure, what comes next for wind power at the Jersey Shore?
The theory of special relativity plays an important role in the modern theory of classical electromagnetism.It gives formulas for how electromagnetic objects, in particular the electric and magnetic fields, are altered under a Lorentz transformation from one inertial frame of reference to another.
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