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Magic Magnets ( Problem Mormons?)
Uploaded by: thebigshow
What is this... I dont even, check tags
Whoa first front page thanks fj
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#16 to #14
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Seikyuu (01/02/2012) [-]
Magnets produce a field of force. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, and attracts or repels other magnets. An electromagnet, in its simplest form, is a wire that has been coiled into one or more loops. When electric current flows through the wire, a magnetic field is generated. It is concentrated near the coil. If it is wrapped around a soft ferromagnetic material, such as an iron nail, then the net field produced can result in a several hundred- to thousandfold increase of field strength.