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The figure below is a graph of voltage versus current / obtained when a student was studying resistance and resistivity. (a) Use proper graphical analysis to calculate the resistance of the wire. (b) If the diameter of the wire is 0.30 mm and its length is 1.2 m, calculate the resistivity of the wire. (c) If you were to replace the wire with one made from the same material but having a diameter of 0.15 mm and a length of 1.0 m, calculate the voltage across the wire when the current is 0.25 A.

The figure below is a graph of voltage versus current / obtained when a student was studying resistance and resistivity. (a) Use proper graphical analysis to calculate the resistance of the wire. (b) If the diameter of the wire is 0.30 mm and its length is 1.2 m, calculate the resistivity of the wire. (c) If you were to replace the wire with one made from the same material but having a diameter of 0.15 mm and a length of 1.0 m, calculate the voltage across the wire when the current is 0.25 A.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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The figure below is a graph of voltage V versus current I obtained when a student was studying resistance and resistivity. (a) Use proper graphical analysis to calculate the resistance of the wire. (b) If the diameter of the wire is 0.30 mm and its length is 1.2 m, calculate the resistivity of the wire. (c) If you were to replace the wire with one made from the same material but having a diameter of 0.15 mm and a length of 1.0 m, calculate the voltage across the wire when the current is 0.25 A.
Transcribed Image Text:The figure below is a graph of voltage V versus current I obtained when a student was studying resistance and resistivity. (a) Use proper graphical analysis to calculate the resistance of the wire. (b) If the diameter of the wire is 0.30 mm and its length is 1.2 m, calculate the resistivity of the wire. (c) If you were to replace the wire with one made from the same material but having a diameter of 0.15 mm and a length of 1.0 m, calculate the voltage across the wire when the current is 0.25 A.
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