Question

What is the function of an earth wire ? Why is it necesssary to earth metallic appliances?

Answer 1

hey dear
here is your answer ☞

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⭐ the earth wire is used to transfer any leackage of current directly to the earth.

it save person from getting electric shocks and also prevent accidental fire so it becomesnecessary to earth metallic appliance. ⭐

hope it helps ^_^

Answer 2

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The metallic body of electric appliances is connected to the earth by means of earth wire so that any leakage of electric current is transferred to the ground. This prevents any electric shock to the user. That is why Earthing of the electrical appliances is necessary.