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A bird can safely land on a bare, high-voltage power line because

mregueral

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A bird can safely land on a bare, high-voltage power line because

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if both feet are touching the bare wire, they are at approximately the same potential, and therefore little or no current flows through the bird’s body.

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its internal resistance is very high, so very little current will flow.

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the line cannot deliver enough current to harm it.

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its feet are good insulators, and therefore it is protected.

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College Physics

Edition: 5^th

Author: Giambattista

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jwmaro

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More solutions for this book are available here

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