C. Oersted (1777-1851) had shown that a magnetic needle is deflected by an electric current, he attempted, in the laboratory of the Royal Institution in the presence of Humphry Davy, to convert that deflection into a continuous rotation, and also to obtain the reciprocal effect of a current rotating round a magnet.
It is clear, moreover, that Oersted clearly recognized the existence of what is now called the magnetic field round the conductor.
In it Oersted describes the action he considers is taking place around 2 Faraday discussed the chemical theory of the pile and arguments in support of it in the 8th and 16th series of his Experimental Researches on Electricity.
C. Oersted (21st July 1820) were still in 1821 apprehended in a somewhat confused manner even by the foremost men of science.
C. Oersted 6 that a magnet placed near a wire carrying an electric current tended to set itself at right angles to the wire, a phenomenon which indicated that the current was surrounded by a magnetic field.
To take a simple instance, if we consider an electric current as flowing in a conductor it is, as Oersted discovered, surrounded by closed lines of magnetic force.
In the annals of modern science Hans Christian Oersted (1777-1851) is a name universally honoured.
C. Oersted heated its chloride with potassium amalgam, and failed in his object simply by reason of the mercury, so that when F.