A copper wire (ρ = 10.37 CM/ft) whose diameter is 0.162 inches has a resistance of 0.4 Ω. If the wire drawn through a series of dies until its diameter is reduced to 0.032 inches, what is the resistance of the lengthened conductor? Assume that the resistivity remains unchanged.

EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN:9781337516549
Author:Simmons
Publisher:Simmons
Chapter27: Service-entrance Equipment
Section: Chapter Questions
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 A copper wire (ρ = 10.37 CM/ft) whose diameter is 0.162 inches has a resistance of 0.4 Ω. If the wire drawn through a series of dies until its diameter is reduced to 0.032 inches, what is the resistance of the lengthened conductor? Assume that the resistivity remains unchanged.

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