Hans Christian Oersted: Electromagnetism Discoverer - WorldOfChemicals

Hans Christian Oersted – discoverer of electromagnetism

Hans Christian Oersted

Hans Christian Oersted Biography & Contributions to Electricity & Magnetism

Hans Christian Oersted was a Danish physicist and chemist born on August 14, 1777 – died on Mach 09, 1851. Oersted is still known today for Oersted's Law, electric current, electromagnetism, piperine discovery and finally formulation of metallic aluminum. The centimeter-gram-second system (CGS) unit of magnetic induction (oersted) is named for his contributions to the field of electromagnetism.

In the year 1820 Oersted discovered that a magnetic needle aligns itself perpendicularly to a current-carrying wire, definite experimental evidence of the relationship between electricity and magnetism.

Other important works of Oersted include piperine alkaloid, in 1825 he produced aluminum. He was the first to isolate the aluminum element via a reduction of aluminum chloride with potassium amalgam.

Piperine Properties


Piperine alkaloid is responsible for the pungency of black pepper and long pepper. It has also been used in some forms of traditional medicine and as an insecticide. Piperine was isolated from the fruits of Piper nigrum. Piperine may enhance the pharmacokinetic parameters of resveratrol via inhibiting glucuronidation, thereby slowing its metabolism.


Aluminum is lightweight, silvery-white metal and it is a most abundant metallic element in Earth’s crust and the most widely used nonferrous metal. Aluminum is an excellent conductor of heat and electricity. Aluminum is slowly attacked by most dilute acids and rapidly dissolves in concentrated hydrochloric acid.

Aluminum is present in other gemstones, such as topaz, garnet, and chrysoberyl and also occurs in igneous rocks chiefly as aluminosilicates in feldspars, feldspathoids, and micas; in the soil derived from them as clay; and upon further weathering as bauxite and iron-rich laterite.

Electromagnetism Process

Electromagnetism is the study of the electromagnetic force which is a type of physical interaction that occurs between electrically charged particles. The electromagnetic force is one of the four fundamental interactions in nature. The electromagnetic force usually shows electromagnetic fields, such as electric fields, magnetic fields, and light. The electromagnetic force plays a major role in determining the internal properties of most objects encountered in daily life.

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