![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
![The Magnetic Effect of Electric Current (Learn) : Physics : Class 7 : Amrita Vidyalayam eLearning Network The Magnetic Effect of Electric Current (Learn) : Physics : Class 7 : Amrita Vidyalayam eLearning Network](http://aven.amritalearning.com/userfiles/1/image/hans-christian-oersted++++++.jpeg)
The Magnetic Effect of Electric Current (Learn) : Physics : Class 7 : Amrita Vidyalayam eLearning Network
![Bernard Brunhes (1867–1910), French geophysicist who discovered the Earth's magnetic field reversals Stock Photo - Alamy Bernard Brunhes (1867–1910), French geophysicist who discovered the Earth's magnetic field reversals Stock Photo - Alamy](https://c8.alamy.com/comp/PW7MH0/bernard-brunhes-18671910-french-geophysicist-who-discovered-the-earths-magnetic-field-reversals-PW7MH0.jpg)