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===== Magnetism via Special Relativity =====

(Lecture: 15 minutes)

See(ss)[[gsr>book:gsr:magnetism|11.1]] of [[gsr>|the text]].

==== Reflections ====

Students should already be familiar with the electric and magnetic fields due
to an infinite, straight, charged, current-carrying wire.  The argument
presented in the text is another straightforward application of hyperbolic
addition formulas.  However, it's a good idea to practice this material before
presenting it, to ensure that the signs work out as desired.

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