An electric conductor is any material that can efficiently conduct electricity, such as a metal, ionic solution, or ionized gas. Usually, this term refers to the current-carrier component of an electric circuit system.
Conduction, the passage of charges in an electrical field, is done by the movement of charged particles in the conducting medium. Good conductors are materials that have available negative or positive charges, like electrons or ions. Semiconductors are less effective in conducting electricity, while most other materials are insulators. In metals, the atomic nuclei form crystalline structures, wher…
Electrical energy is transmitted by metal conductors. Wires are usually soft and flexible. They may be bare, or coated with flexible insulating material. In most cases, they have a circular cross-section. Cables have larger cross-sections than wires, and they are usually stranded, built up as an assembly of smaller solid conductors. Cords are small-diameter flexible cables that are usually insulat…
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