Electricity is the flow of electric charge. This is happened if an electric current flow through a conductor likes copper wire. In this circumstance, the electrons flow from copper forced very slowly in one way for DC (Direct Current). In the AC (Alternating Current) the flow swings back and forth. The spreading electrical power through movement and vibration of electrons inside metallic conductors is very similar to sound waves transmitted from the vibration of air molecules. (more…)
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