Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 882
e wire, provided the latter is very long. If unit pole 2C (720) is at a distance r, the force acting on it is , where C is expressed m C.G.S. units, or *- if C is expressed m amperes.10;-835. Oersteds experiment—Oersted published in 1838 a discoverywhich connected magnetism and electricity in a… … Fig. 823 fixed current exerts at a distance on a magnetic needle ; in other words,Oersted discovered a particular case of the magnetic action of a current. To make this experiment a copper wire is suspended horizontally in thedirection of the magnetic meridian over a movable magnetic needle, as…
Physics
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