What is meant by an electric current? How can it be produced?
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the flow of electricity is called electric current. When a voltage is applied to a conductor or semiconductor, electric current starts flowing. In conductors, positively charged protons are held in a fixed position and the negatively charged electrons move from one place to another place by carrying the charge. Thus, electrons conduct electric current in conductors.
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When a metal wire is subjected to electric force applied on its opposite ends, these free electrons rush in the direction of the force, thus forming what we call an electric current.
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