Oersted

Oersted. Unit of measurement for magnetic field intensity , belonging to the Cegesimal System of Units ( CGS ), its symbol is Oe, it owes its name to the Danish Hans Christian Oersted .

Summary

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  • 1 Origin
  • 2 Definition
  • 3 Formulation
  • 4 Equivalence with the unity of the International System
  • 5 Multiples and submultiples
  • 6 Note on terminology
  • 7 See also
  • 8 Reference
  • 9 Source

Origin

The oersted, also known as oersted 1 , is named in honor of the physicist and chemist Hans Christian Oersted born in Rudkobing , Denmark one 14 as August as 1777 and died in Copenhagen , Denmark one 9 as March as 1851 . Oersted, distinguished by studies carried out on electromagnetism , demonstrating together with André Marie Ampère , that when an electric current circulates through an electrical conductor , a magnetic field arisesaround said conductor, knowing from then on this phenomenon, as a magnetic field .

Definition

The oersted is equivalent to a magnetic field produced in a vacuum and at a distance of 1 cm , per the magnetic pole unit. It has replaced the gauss , today reserved for measuring the intensity of magnetic induction .

Formulation

1 Oe = 103 / 4π A · m -1

Equivalence with the unity of the International System

In the International System of Units the unit of magnetic field intensity 2 is the ampere per meter .

SI unit of measure Symbol Equivalence
Ampere by meter A.M 79,577 5 A / m = 1 Oe

Multiples and submultiples

Value Symbol Name
10 -6 Oe μOe micro-oersted
10 -3 Oe mOe milioersted
10 3 Oe kOe kilo-oersted
10 6 Oe MOe megaoersted

Terminology Note

This unit belonging to the Cegesimal System of Units known by the acronym CGS is named after Hans Christian Oersted . In units of measurement whose designation comes from a person’s own name, the first letter of the symbol is written with a capital letter (Oe), while its name always begins with a lowercase letter (oersted), except when it starts a phrase or a title.

 

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