Suppose you wish to fabricate a uniform wire from 1.90 g of copper. The wire is to have a resistance of R = 0.480 and all the copper is to be used. (a) What must be the length of this wire? What is the relationship between the diameter and the length if the mass of the wire is fixed? m (b) What must be the diameter of this wire? нт Need Help? Read It Master It
Suppose you wish to fabricate a uniform wire from 1.90 g of copper. The wire is to have a resistance of R = 0.480 and all the copper is to be used. (a) What must be the length of this wire? What is the relationship between the diameter and the length if the mass of the wire is fixed? m (b) What must be the diameter of this wire? нт Need Help? Read It Master It
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 9.6CYU: Check Your Understanding A strain gauge is an electrical device to measure strain, as shown below....
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Transcribed Image Text:Suppose you wish to fabricate a uniform wire from 1.90 g of copper. The wire is to have a resistance of R = 0.480 and all the
copper is to be used.
(a) What must be the length of this wire?
What is the relationship between the diameter and the length if the mass of the wire is fixed? m
(b) What must be the diameter of this wire?
нт
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