How Do Electromagnets Work?

e-magnetThe first physicist to study the phenomenon of electromagnetism was Hans Christian Ørsted in the early 19th century. This discovery was possible when in his laboratory, a wire carrying electric current started to affect a compass present nearby. Ørsted thought that by some manner, a magnetic field is being generated by the wire, which was affecting the stability of the compass needle.

Read more at Buzzle: http://www.buzzle.com/articles/how-do-electromagnets-work.html

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