A cable one mile long and 0.50 inches in diameter is composed of a steel core 0.25 inches in diameter and the outside shell is aluminum. The resistance of the cable is _____ is Ps and Pa 57.4 and 17.5-ohm Cmil/ft, respectively Choices: a.) 0.447 ohm c.) 0.625 ohm b.) 0.893 ohm d.) 5.3 ohms

A cable one mile long and 0.50 inches in diameter is composed of a steel core 0.25 inches in diameter and the outside shell is aluminum. The resistance of the cable is _____ is Ps and Pa 57.4 and 17.5-ohm Cmil/ft, respectively Choices: a.) 0.447 ohm c.) 0.625 ohm b.) 0.893 ohm d.) 5.3 ohms

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter10: Using Wire Tables And Determining Conductor Sizes

Section: Chapter Questions

Problem 4PA: Using the above example, determine the wire size needed for the 400-ampere service in accordance...

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Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.

Question

A cable one mile long and 0.50 inches in diameter is composed of a steel core 0.25 inches in diameter and the outside shell is aluminum. The resistance of the cable is _____ is Ps and Pa 57.4 and 17.5-ohm Cmil/ft, respectively

Choices:

a.) 0.447 ohm c.) 0.625 ohm
b.) 0.893 ohm d.) 5.3 ohms

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