Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1.9 mm. Conductor B is a hollow tube of outside diameter 2.9 mm and inside diameter 1.9 mm. What is the resistance ratio RA/RB, measured between their ends?
Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1.9 mm. Conductor B is a hollow tube of outside diameter 2.9 mm and inside diameter 1.9 mm. What is the resistance ratio RA/RB, measured between their ends?
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter28: Current And Resistance
Section: Chapter Questions
Problem 67PQ
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Question
Two conductors are made of the same material and have the same length.
Conductor A is a solid wire of diameter 1.9 mm. Conductor B is a hollow tube of
outside diameter 2.9 mm and inside diameter 1.9 mm. What is the resistance ratio
RA/RB, measured between their ends?
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