A bird perches on a bare high power line, and nothing happens to the bird. A man standing on the ground touches the same line and gets a fatal shock. Why?

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Solution

When a bird is perched on a bare high power line, the circuit does not get complete between the bird and the earth therefore, nothing happens to the bird. But When a man standing on the ground touches the same line, the circuit between the man and the earth gets completed. As a result, the high current passes through the man and the circuit gets completed and he gets a fatal shock.

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