Question

What is the function of an earth wire? Why is it necessary to earth the metallic bodies of electric appliances?

Answer 1

Answer:

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.

Answer 2

The main function of an earth wire is to prevent a person from getting a severe shock.

Explanation:

• The metallic body of any electric appliance is intertwined with an earth wire because the electric current released is directly transferred to the ground when there is any leakage.
• This is the main function of the earth wire which prevents a person from getting a severe shock.

• Earthing of the metallic bodies of all electric appliances is necessary to prevent the user from getting electric shock by transferring it to the ground directly.  

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