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electromagnetism    音标拼音: [ɪl,ɛktrom'ægnət,ɪzəm]
n. 电磁,电磁学

电磁,电磁学

electromagnetism
n 1: magnetism produced by an electric current;
"electromagnetism was discovered when it was observed that
a copper wire carrying an electric current can magnetize
pieces of iron or steel near it"
2: the branch of physics concerned with electromagnetic
phenomena [synonym: {electromagnetism}, {electromagnetics}]

Electro-magnetism \E*lec`tro-mag"net*ism\ n.
1. magnetism produced by an electric current.
[WordNet 1.5]

2. one of the fundamental forces of nature, responsible for
both electrical and magnetic phenomena. Called also the
{electromagnetic force}. Formerly believed to be separate
phenomena, electricity and magnetism were shown by
experiment and theory to be different aspects of the
{electromagnetic force}. It is responsible for the forces
generated between magnetically or electrically charged
objects, and is the fundamental force responsible for the
characteristics of electromagnetic radiation, including
light.
[PJC]

3. the branch of physics concerned with electromagnetic
phenomena.
[WordNet 1.5]


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  • Electromagnetism - Wikipedia
    Electromagnetic forces occur between any two charged particles Electric forces cause an attraction between particles with opposite charges and repulsion between particles with the same charge, while magnetism is an interaction that occurs between charged particles in relative motion
  • Electromagnetism | Definition, Equations, Facts | Britannica
    Electromagnetism, science of charge and of the forces and fields associated with charge Electricity and magnetism are two aspects of electromagnetism Electric and magnetic forces can be detected in regions called electric and magnetic fields Learn more about electromagnetism in this article
  • The Basics of Electromagnetism
    Learn the basic concepts of electromagnetism and magnetic fields, the factors affecting a magnetic field, and how to determine the direction of current flow in a wire
  • Electromagnetism - GeeksforGeeks
    Electromagnetism is the fusion of electric and magnetic forces, governing the behavior of charged particles Electric fields arise from stationary charges, exerting forces on other charges, while magnetic fields originate from moving charges or magnetic materials
  • Understanding Electromagnetism | Key Principles Applications
    Explore the fundamentals of electromagnetism, including Maxwell's equations, applications in technology, and the electromagnetic spectrum
  • Electromagnetism - Examples, Definition, Types, Different Laws
    Simply put, electromagnetism involves the interaction of electric charges, which can be static (not moving) or dynamic (moving as in electric currents) These interactions produce electromagnetic fields, which can exert forces on other charges that are in the fields
  • Electromagnetism 101 - Education
    Electromagnetism is one of the four fundamental forces of nature Learn about the relationship between electricity and magnetism, the different wavelengths on the electromagnetic spectrum, and how an invisible force protects our entire planet
  • DOE Explains. . . The Electromagnetic Force - Department of Energy
    Electromagnetism involves the interaction of two types of fields—electrical and magnetic This interaction links electricity and magnetism together A moving charge (electrical current) produces a magnetic field, and a changing magnetic field produces an electrical field The electromagnetic force is carried by photons
  • 1: Introduction to Electromagnetics and Electromagnetic Fields
    This page outlines key concepts in electromagnetism, including electromagnetic forces, measurements of fields, and fundamental laws like Gauss's Law and Ampere's Law
  • Electromagnetism - New Scientist
    It is the fundamental force that acts between all particles that possess electric charge, positive and negative: like charges repel, whereas opposite charges attract





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