A short circuit is the passage of electrical current above normal in a circuit due to an abrupt reduction in its impedance. Usually the short circuit causes damage both in the electrical circuit in which it occurs and in the element that caused the impedance reduction.
An example of a short circuit, which accidentally is common in homes, occurs when you put the ends of a metal wire into the holes in an outlet. Generally short circuits provoke violent reactions due to instantaneous energy dissipation, such as: explosions, heat and sparks. It is one of the main causes of fires in poorly maintained electrical installations or with sizing errors.
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10 сен 2024
