Why is Earthwire necessary to earth metalliC appliances? class 10 CBSE NCERT
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Why is it necessary to earth metallic appliances? 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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Earth have zero potential power so when a lighting strick then the metallic body of electric appliances is connected to the earth using earth wire so that leakage of electric current is transferred to the ground. This prevents any electric shock to the user.
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