
Math and Science
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Ever wondered why birds can sit on a live power line without getting electrocuted, even when that line is carrying extremely high voltage? This video explains the straightforward physics behind it. Current only flows when there is a voltage difference and a complete path for electricity to travel. A bird perched on a single conductor has both feet at essentially the same potential, so almost no current passes through its body. The situation becomes dangerous only if the bird simultaneously touches another wire at a different voltage or a grounded structure, completing a circuit. We also walk
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