High-voltage power lines are a familiar sight throughout the country. The alumin

Question

High-voltage power lines are a familiar sight throughout the country. The aluminum (resistivity = 2.82 x 10-8? m) wire used for some of these lines has a cross-sectional area of 5.2 x 10-4 m2. What is the resistance of 11 kilometers of this wire?

Number High-voltage power lines are a familiar sight throughout the country. The aluminum (resistivity = 2.82 times 10-8? m) wire used for some of these lines has a cross-sectional area of 5.2 times 10-4 m2. What is the resistance of 11 kilometers of this wire?

Explanation / Answer

Resiatane = resistivity * length / Area = 596.5 kilo ohm

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