Physics, 18.07.2021 18:00 daelinrobinson

A copper wire has a diameter of 1.02 mm, cross-sectional area 8.2x10-7 m2 and resistivity 1.72 x 10-82 m. It carries a current 1.67 A. Find the electric field magnitude in the wire and the potential difference between two points in the wire 50 m apart. [4]

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A copper wire has a diameter of 1.02 mm, cross-sectional area 8.2x10-7 m2 and resistivity 1.72 x 10-82 m. It carries a current 1.67 A. Find the electric field magnitude in the wire and the potential difference between two points in the wire 50 m apart. [4] ​

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A copper wire has a diameter of 1.02 mm, cross-sectional area 8.2x10-7 m2 and resistivity 1.72 x 10-82 m. It carries a current 1.67 A. Find the electric field magnitude in the wire and the potential difference between two points in the wire 50 m apart. [4]