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

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

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

The earth wire is connected as a safety measure with all electrical appliances that have metallic body e.g., microwave, electric press, toaster, geyser, cooler, AC, etc. The earth wire provides a low resistance conducting path for electric current. If there is any leakage of current then the user would not get any current because the current flows down into the earth and keeps the potential of the appliance and earth same.

Thanks

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