How to resist birds tearing on power cords
A question may come to the mind of anyone when looking up or contemplating the sky. "Why do not small birds stand on the wires?" We usually find birds standing in rows on high voltage wires hanging between columns and spread in cities and countryside, but why not hit those birds with electricity? The answer to this question is found in the laws of physics. Electricity is a sequential movement of electrons that travel from one point to another. Since the electric current passes only in closed circuits, the electric circuit consists of a source of carbon voltage and resistance. The carrier to the movement within the circuit, and since there must be a difference of effort between these points for the passage of electricity between them, otherwise there will be nothing drives the electrons from place. As the birds gain an effort equal to the voltage passing through the electric wire, the current will deal with the feet of the birds as a point on the connecting surface, and will complete its way in the wire. In short, when a bird stands on one of the power transmission wires it is subjected to constant effort, The existence of a path to the passage of electricity, and the electric current already moving in the wires when the presence of the bird, it completes its way the least in electrical resistance, in any case will not be exposed to electric shock and will remain safe.
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