Magnetism via Special Relativity

(Lecture: 15 minutes)

See§11.1 of the text.


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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