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005 10.0 points Birds resting on high-voltage power lines are a common sight. The copper wire on which a bird stands is 2.78 cm in diameter and carries a current of 58 A If the birds feet are 7.66 cm apart, what is the potential difference across its body? Coppers resistivity is 1.68 x 10 S2m. Answer in units of uV. 006 10.0 points A length of metal wire has a radius of 0.001 m and a resistance of 0.09 2. When the potential difference across the wire is 18 V, the electron drift speed is found to be 0.000393 m/s. Based on these data, calculate the density

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