Check sibling questions

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

 

Answer

 

The main function of the earth wire is to conduct the excess or the leaking current  from the electrical appliance to the ground.

 

It is necessary to earth metallic bodies because it protects us from getting an electric shock by  transferring the current to the earth

Because, if the metallic bodies of electric appliances are earthed, then the current would flow directly into the earth rather than entering our body.

Hence, we won't get an electric shock.

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CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo