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1) A 100 km long high-tension power line is made of aluminum. It has a conductor that is 2.5 inches in diameter. Answer the following questions... • Determine the resistivity of the aluminum at 5°C • Determine the resistance of the power line. • Determine the current through the power line • Determine the power lost through the power line if it carries 400,000V

1) A 100 km long high-tension power line is made of aluminum. It has a conductor that is 2.5 inches in diameter. Answer the following questions... • Determine the resistivity of the aluminum at 5°C • Determine the resistance of the power line. • Determine the current through the power line • Determine the power lost through the power line if it carries 400,000V

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A 100 km long high-tension power line is made of aluminum. It has a conductor that is 2.5 inches in diameter. Answer the following questions... • Determine the resistivity of the aluminum at 5°C • Determine the resistance of the power line. • Determine the current through the power line • Determine the power lost through the power line if it carries 400,000V 1)
Transcribed Image Text:A 100 km long high-tension power line is made of aluminum. It has a conductor that is 2.5 inches in diameter. Answer the following questions... • Determine the resistivity of the aluminum at 5°C • Determine the resistance of the power line. • Determine the current through the power line • Determine the power lost through the power line if it carries 400,000V 1)
Expert Solution
Step 1

Given data:

  • The length of the power line is L=100 km
  • The diameter is d=2.5 in=0.063 m
  • The potential difference is V=400000 V

Calculating the cross-sectional area as follows:

A=π4d2=π40.0632=0.0031 m2

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