Electrodynamics

Electrodynamics (pronounced: eh-lek-tro-dy-nam-iks) is a branch of physics that studies the interactions between electric charges and magnetic fields. The term is derived from the Greek words "electron" meaning amber (from which the concept of electricity originated), "dynamis" meaning power, and "ics" referring to a field of study.

History

The study of electrodynamics has its roots in the 19th century with the work of scientists such as Michael Faraday and James Clerk Maxwell. Faraday's experiments with electromagnetism laid the groundwork for Maxwell's development of the Maxwell's Equations, which form the foundation of classical electrodynamics.

Principles

Electrodynamics is primarily concerned with the forces that electric charges exert on each other when they are in motion. This is described by the Lorentz force law, which combines both electric and magnetic forces. Another key principle of electrodynamics is the concept of electromagnetic waves, which are waves of electric and magnetic fields that propagate through space.

Applications

Electrodynamics has a wide range of applications in various fields. In engineering, it is used in the design of electrical circuits and devices. In medicine, it is used in technologies such as magnetic resonance imaging. In astrophysics, it is used to study phenomena such as pulsars and magnetars.

Related Terms

External links

Medical encyclopedia article on Electrodynamics
Wikipedia's article - Electrodynamics

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Electrodynamics