Question

what is the role on electric current

Answer 1

The role of electric current is to move electrons from one place to another which is directly proportional to the potential difference

Answer 2

without electric I hope nothing is possible. It has becomes a very foundation of our lives. things have reached such a stage that is difficult to even spends five minutes without electricity.when there is a power cut or some fault in supply, most of the gadgets that make life so convenient stops working that is lights fans ,air-conditioner ,computers and electronic machines can't be run.Life seems to halt ,without electricity