![In 1820 Hans Oersted discovered how magnetism and electricity are connected. A unit of measure of magnetic field strength, the oersted, is named after. - ppt download In 1820 Hans Oersted discovered how magnetism and electricity are connected. A unit of measure of magnetic field strength, the oersted, is named after. - ppt download](https://slideplayer.com/4279540/14/images/slide_1.jpg)
In 1820 Hans Oersted discovered how magnetism and electricity are connected. A unit of measure of magnetic field strength, the oersted, is named after. - ppt download
![Bulletin. Science. Figure 43.—Henry's quantity electromagnet. From American Journal of Science, 1831, vol. 19, p. 408.. That an electric current not only will cause a magnet to move but can create Bulletin. Science. Figure 43.—Henry's quantity electromagnet. From American Journal of Science, 1831, vol. 19, p. 408.. That an electric current not only will cause a magnet to move but can create](https://c8.alamy.com/comp/RH051G/bulletin-science-figure-43henrys-quantity-electromagnet-from-american-journal-of-science-1831-vol-19-p-408-that-an-electric-current-not-only-will-cause-a-magnet-to-move-but-can-create-a-magnet-was-the-discovery-of-arago-who-found-that-a-current-carrying-conductor-will-attract-iron-filings-and-that-if-wire-is-wound-upon-a-glass-tube-and-a-needle-placed-inside-the-tube-the-needle-will-become-a-magnet-when-current-is-passed-through-the-wire-similar-experinients-performed-by-arago-together-with-ampere-led-to-the-latters-circu-lating-current-theory-of-magnetism-instead-o-RH051G.jpg)
Bulletin. Science. Figure 43.—Henry's quantity electromagnet. From American Journal of Science, 1831, vol. 19, p. 408.. That an electric current not only will cause a magnet to move but can create
![Image of Electrical phenomena: magnetism was discovered in Antiquite. The Greek shepherd by Anonymous Image of Electrical phenomena: magnetism was discovered in Antiquite. The Greek shepherd by Anonymous](https://images-cdn.bridgemanimages.com/api/1.0/image/600wm.XEE.11834140.7055475/4140632.jpg)