what is the function of an Earth wire?Why is it necessary to earth metallic appliances?
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The metallic body of electric appliances is connected to the earth using earth wire so that any leakage of electric current is transferred to the ground. This prevents any electric shock to the user.
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EARTHEN WIRE IS USEFUL TO CONTROL THE AMOUNT OF EXCESS CURRENT FLOWING THROUGH THE CIRCUIT
IT IS A GRREN COLOURED WIRE USED TO PREVENT SHORT-CURCUIT AND TO PREVENT THE EXCESS CURRENT LEAKAGE TO THE CURCUIT SO THAT SHORT CURCUIT CAN BE PREVENTED AND THE PERSON REMAINS SAFE AND NOT GET HARMED
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