What is earth wire?why it is connected to the metallic body
Answers
An Earth wire is a wire that goes into the ground to disperse with electricity that excess electricity goes through to prevent a circuit from frying itself. These are very commonly used for dispersing lightning that hits an electrical wire and put it back into the ground where the electricity disperses and is no longer harmful to electronics or people.The main function of the earth wire is to prevent live wire from overloading and absorbs the excess electrons & flows to beneath the ground . It is necessary because it prevents the electrical appliances from damage and absorbs the excess electricity from appliances.
1. It has potential to give humans shock.
2. To prevent any injuries, they are earthed.
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