Last updated 13 July 2011, created 13 July 2011, viewed 443
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 More… 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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