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

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter15: Dryer Outlet, Lighting, And Receptacle Circuits For The Laundry, Powder Room, Rear Entry Hall,and Attic

Section: Chapter Questions

Problem 10R

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Concept explainers

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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