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  1. Electricity | Definition, Facts, & Types | Britannica

    Oct 19, 2025 · Electricity, phenomenon associated with stationary or moving electric charges. Electric charge is a fundamental property of matter and is borne by elementary particles. In …

  2. Electric circuit | Diagrams & Examples | Britannica

    Sep 30, 2025 · An electric circuit includes a device that gives energy to the charged particles constituting the current, such as a battery or a generator; devices that use current, such as …

  3. Electrical and electronics engineering | Types & Facts | Britannica

    The applications of electricity and electronics to other fields of science have expanded since World War II. Among the sciences represented are medicine, biology, oceanography, …

  4. Electric power | Definition, Uses, & Facts | Britannica

    Sep 27, 2025 · Electric power, energy generated through the conversion of other forms of energy, such as mechanical, thermal, or chemical energy. Electric energy is unrivaled for many uses, …

  5. How Does Electricity Work? | Electrons, AC, DC, Voltage,

    Oct 19, 2025 · Electricity works through the movement of negative charges carried by electrons (negatively charged subatomic particles). These charges can be either stationary or moving, …

  6. Electric current | Formula & Definition | Britannica

    Oct 3, 2025 · Electric current, any movement of electric charge carriers such as electrons, protons, ions, or holes. Electric current in a wire, where the charge carriers are electrons, is a …

  7. Electrical conductor | physics | Britannica

    The way that atoms bond together affects the electrical properties of the materials they form. For example, in materials held together by the metallic bond, electrons float loosely between the …

  8. energy - Kids | Britannica Kids | Homework Help

    Electrical energy can be seen in nature in a bolt of lightning, which is a large number of electrons flowing through air all at once. People have learned how to produce electrical energy and …

  9. Electric charge | Properties, Examples, Units, & Facts | Britannica

    An important aspect of electromagnetism is the science of electricity, which is concerned with the behaviour of aggregates of charge, including the distribution of charge within matter and the …

  10. insulators and conductors - Kids | Britannica Kids | Homework Help

    Electrical objects use metal parts to conduct electricity, such as the copper wires inside electrical leads, the metal pins in plugs, and the metal wire filaments in lightbulbs.