Why do we use copper wires coated with cover for carrying electricity
Answers
THE ANSWER IS:-
Most wires are made out of copper because it conducts electricity with high flexibility and very little resistance. The first stage in the manufacturing process of a conductor is the wire-drawing. An insulating cover over the conductor also prevents any current leakages.
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Explanation:
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Earth can deliver or accept charges without loss of its zero potential (same like addition or removal of some water from ocean will not reduce its level.) But when these charged particles of our electrical circuit explained before, gets any path other than the designated path to reach to ground (or other sources of oppositely charged particles) it will redirect its electrons fully or partially through the other path. The magnitude being dependent on the ease of flow of electrons through the particular material. This property of material is called conductivity. If this flows through human body, the result may be fatal. That's when we say a person gets an electric shock. From equipment point of view, it may drain out the charges of the cell making it useless for the purpose it was made. If we think in a larger scale, the electrical supply system of our locality, state or even nation may collapse because of faults. To avoid this we use materials to keep the electrons out of the reach of other conductors. This is done by coating the wire with a bad conductor. This bad conducting material is technically called an insulator. The coating you see often on wires, is one such insulating material. The insulating material mainly depends on the voltage level
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