what is electric current
Answers
Electric current : the time rate of flow of electric charge, in the direction that a positive moving charge .
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An electric current is the rate of flow of electric charge past a point[1]:2[2]:622 or region.[2]:614 An electric current is said to exist when there is a net flow of electric charge through a region.[3]:832 Electric charge is carried by charged particles, so an electric current is a flow of charged particles. The moving particles are called charge carriers, which may be one of several types of particles, depending on the conductor. In electric circuits the charge carriers are often electrons moving through a wire. In an electrolyte the charge carriers are ions, while in an ionized gas (plasma), both ions and electrons are used.[4]