2: Introduction to Electrodynamics
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- 2.2: Electromagnetic Waves in the Time Domain
- Perhaps the greatest triumph of Maxwell’s equations was their ability to predict in a simple way the existence and velocity of electromagnetic waves based on simple laboratory measurements of the permittivity and permeability of vacuum.
Thumbnail: The magnetic field of a current-bearing coil, illustrating field lines. (CC BY 4.0; Y. Qing).