Question

give answer plz........

Answer 1

Hey Buddy ,

Earth wire reduces the shocks and risk. So earth wire is used as safety measure ..

Hope this helped you ....

Answer 2

in an electrical appliances Earth wire is connected from the appliances to the earth. if any how the wire carrying current touches metallic surface of the appliances, then the earth wire provides a way for electric current to move down to the earth thus preventing electric shock.