oersted
Noun
Meaning
Danish physicist (1777-1851)
the magnetic field strength 1 cm from a unit magnetic pole
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Galvanometers developed from the observation that the needle of a magnetic compass is deflected near a wire that has electric current flowing through it, first described by Hans Oersted in 1820.
The deflection of a magnetic compass needle by current in a wire was first described by Hans Oersted in 1820.
His work was heavily influenced by the ongoing research of fellow European scientists Ampere, Arago, and Oersted as indicated by his diary entries.