Electromagnetism is a fundamental branch of physics that deals with the study of electric and magnetic fields, their interactions, and their effects on matter. It encompasses a wide range of phenomena, including the behavior of charged particles, the generation of electric currents, and the propagation of electromagnetic waves. The key concepts of electromagnetism include: 1. **Electric Charge**: There are two types of electric charges, positive and negative. Like charges repel each other, while opposite charges attract.
As of the 20th century, this can be described well as "the phenomena described by Maxwell's equations".
Back through its history however, that was not at all clear. This highlights how big of an achievement Maxwell's equations are.
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