Electric Current in a Wire Causes Magnetic Field
The following three animations build on the idea that a flow of electrons creates a magnetic field around the wire in which they flow. If you then bend this wire you get field effects which can build to form a classical shaped NS magnet. We can turn the magnet on and off which is useful and also produces a lightweight magnet which can can control the field and field strength. It is all based on the right hand grip rule or Curl

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Created: Jul 13, 2011

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