ELECTRICITY

Electricity is a major force of nature. In this section, you can learn how electricity works and what its potential uses are.
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What are the different electrical insulators?

Electrical insulators are materials that don't conduct electricity because the electrons in the atoms of which they're made don't move around. Learn what the different electrical insulators are in this article.

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  • Armature

    Armature

    Armature, the part of an electric generator or motor that contains the main current-carrying winding. See more »

  • Capacitance

    Capacitance

    Capacitance, the ability of an object or a system of objects to store an electric charge. See more »

  • Cathode Rays

    Cathode Rays

    Cathode Rays, in physics, a stream of electrons given off by the negative electrode, or cathode, of a vacuum tube. See more »

  • Circuit Breaker

    Circuit Breaker

    Circuit Breaker, an electric switch designed to break (open) an electric circuit automatically when the circuit is subjected to abnormal conditions. See more »

  • Electric Meter

    Electric Meter

    Electric Meter, or Watt-hour Meter, an instrument that measures the amount of electric energy used by a consumer. See more »

  • Electric Shock

    Electric Shock

    Electric Shock, a condition that occurs when there is a flow of electricity through that body. See more »

  • Electric Switch

    Electric Switch

    Electric Switch, a device for completing and breaking an electric current, or for changing the path of a current. See more »

  • Electrode

    Electrode

    Electrode, a conductor through which an electric current enters or leaves a solution or other medium in an electrical device such as a battery, electrolyt ic cell, or electron tube. See more »

  • Electrometallurgy

    Electrometallurgy

    Electrometallurgy, the science of producing metals from metallic ores through the use of electricity. See more »

  • Electroscope

    Electroscope

    Electroscope, an instrument used for detecting electric charges or for measuring small electric voltages or currents. See more »

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