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प्रश्न
Why is an earth wire necessary to earth the metallic bodies of electrical appliances?
लघु उत्तर
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उत्तर
When the live wire comes into direct contact with the metallic case, the amount of current that passing through the user body would be large. To avoid this, it is necessary that the electric appliances are earth.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Magnetic Effects of Electric Current - Exercise 6 [पृष्ठ ३०६]
