Question

what is the function of an earth wire ?why is it necessary to earth metallic appliances​

Answer 1

Answer:

Answer : a) The main function of earth wire is to absorb excess electricity passing through the appliance and to prevent overloading of live wire. The metallic appliances are earthed because whenever there is leakage of current, the leaked current passes through the earth wire to earth.

Answer 2

Answer:

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.

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