Wire size, current, power and load characteristics
Electricity - a set of phenomena due to the existence, interaction and movement of electric charges. The term was introduced by the English naturalist William Gilbert in his essay "On a magnet, magnetic bodies and a large magnet - the Earth" (1600), which explains the effect of a magnetic compass and describes some experiments with electrified bodies. He established that other substances also possess the property of electrifying.
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A wire is an electrical product that serves to connect an electrical current source to a consumer, electrical circuit components.
Section in electrical engineering - the cross-sectional area of a conductor in a single-conductor wire or the sum of the cross-sectional areas of the conductors that make up the stranded wire; indicated in mm2 or in AWG calibers (in electricians and electricians 1 mm2 is often referred to as "square"; for example, "4-square-meter wire"). In America, wire and wire are labeled according to the legend table of standard sections (see: AWG). In Russia, the wire and wire are marked on the cross-sectional area. Single core winding wire in most cases is marked by the diameter of the conductor.
The current is a physical quantity I, equal to the ratio of the amount of charge Delta Q that has passed through a certain surface during the time Delta t, to the value of this period of time. As the surface under consideration, a conductor cross section is often used. Usually denoted by the symbol I, from FR. intensité du courant.
Electrical power is a physical quantity characterizing the rate of transfer or conversion of electrical energy. The unit of measurement in the International System of Units (SI) is watt (Russian designation: W, international: W).
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