Question
Asked Dec 19, 2019
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Birds resting on high - voltage power lines are a common sight.
The copper wire on which a bird stands is 2.2 cm in diameter
and carries a current of 50. A. If the bird’s feet are 4.0 cm
apart, calculate the potential difference between its feet.

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Expert Answer

Step 1

Write the expression for the resistance of the wire

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R=LL PL (rd² /4) 4pL (zd)

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Step 2

Write the expression for p...

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V = IR 41PL (ad²)

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Tagged in
SciencePhysics

Current Electricity

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