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A bird lands on a bare copper wire carrying a current of 33 A. The wire is 8 gauge, which means that its cross-sectional area is 0.13 cm2. (a) Find the difference in potential between the bird's feet, assuming they are separated by a distance of 5.6 cm. (b) Will your answer to part (a) increase or decrease if the separation between the bird's feet decreases?

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