what is the function of earth wire???/ why it is necessary to earth metallic appliance?????
karanmanhotra47:
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the main function of earth wire is to provide simple route to the excessive flow of electricity. The earth wire provides earthing to the current.
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Ans: The metallic body of electric appliances is connected to the earth wire so that any leakage of electric current is transferred to the ground. This prevents severe electric shock to the user. That is why earthing of the electrical appliances is necessary.
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