What is the function of an earth wire? W...

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

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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.

Similar Questions

Explore conceptually related problems

(a) State Fleming's left Hand Rule. (b)List three characteristic features of the electric current used in our homes. (c) What is a fuse ? why is it called a safety device ? (d) why is it necessary to earth metallic electric appliances ?

(i) What is the function of earth wire in electrical instruments? (ii) Explain what is short circuiting an electric supply. (iii) What is the usual current rating of the fuse wire in the line to feed: (a) Lights and fans? (b) Appliances of 2kW or more power?

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