About 400 results
Open links in new tab
  1. Electromagnetism | Definition, Equations, & Facts | Britannica

    Nov 14, 2025 · Electromagnetism, science of charge and of the forces and fields associated with charge. Electricity and magnetism are two aspects of electromagnetism. Electric and magnetic …

  2. Electromagnetic field | Electricity, Magnetism, Waves | Britannica

    Nov 20, 2025 · Electromagnetic field, a property of space caused by the motion of an electric charge. A stationary charge will produce only an electric field in the surrounding space. If the …

  3. Physics | Definition, Types, Topics, Importance, & Facts | Britannica

    Oct 13, 2025 · Physics, science that deals with the structure of matter and the interactions between the fundamental constituents of the observable universe. Its scope of study …

  4. Electromagnetic radiation | Spectrum, Examples, & Types

    Oct 28, 2025 · electromagnetic radiation, in classical physics, the flow of energy at the universal speed of light through free space or through a material medium in the form of the electric and …

  5. Subatomic particle - 4 Forces, Quarks, Leptons | Britannica

    Oct 15, 2025 · The best-understood force, however, is the electromagnetic force, which underlies the related phenomena of electricity and magnetism. The electromagnetic force binds …

  6. Physics - Electricity, Magnetism, Study | Britannica

    Oct 13, 2025 · Classical electromagnetism is summarized by the laws of action of electric and magnetic fields upon electric charges and upon magnets and by four remarkable equations …

  7. Heinrich Hertz | Radio Waves, Electromagnetic Theory, …

    This article seeks to provide a qualitative understanding of electromagnetism as well as a quantitative appreciation for the magnitudes associated with electromagnetic phenomena.

  8. Fundamental force | Definition, List, & Facts | Britannica

    This theory, which incorporates quantum electrodynamics (the quantum field theory of electromagnetism), treats the electromagnetic and weak forces as two aspects of a more …

  9. Maxwell’s equations | Definition, Differential Form, & Facts

    Oct 28, 2025 · The mathematical equations formulated by Maxwell incorporated light and wave phenomena into electromagnetism. He showed that electric and magnetic fields travel together …

  10. Light - Electromagnetic, Wavelength, Spectrum | Britannica

    Sep 27, 2025 · In his formulation of electromagnetism, Maxwell described light as a propagating wave of electric and magnetic fields. More generally, he predicted the existence of …