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Problem 8: A long bar with square cross-section is being used to carry current between two electrodes. The dimensions of the square cross-section are 1.6 x 16 cm, and an electric field of 0.15 V/m is being created by the electrodes. Part (a) The current through the bar is measured to be 45 A. What is the conductivity, in (2 m), of the bar? 01.171910) 0-1172 x 10 Part (b) If the number density of charge carries in this bar is 55 x 1026 m. how many collisions do the electrons experience per second, on average? R= ✔Correct!

Problem 8: A long bar with square cross-section is being used to carry current between two electrodes. The dimensions of the square cross-section are 1.6 x 16 cm, and an electric field of 0.15 V/m is being created by the electrodes. Part (a) The current through the bar is measured to be 45 A. What is the conductivity, in (2 m), of the bar? 01.171910) 0-1172 x 10 Part (b) If the number density of charge carries in this bar is 55 x 1026 m. how many collisions do the electrons experience per second, on average? R= ✔Correct!

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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Problem 8: A long bar with square cross-section is being used to carry current between two electrodes. The dimensions of the square cross-section are 1.6 x 1.6 cm, and an electric field of 0.15 V/m is being created by the electrodes. Part (a) The current through the bar is measured to be 45 A. What is the conductivity, in (52 m)¹, of the bar? 01.171910) 0-1172 x 10 ✔Correct! Part (b) If the number density of charge carries in this bar is 5.5 x 1026 m. how many collisions do the electrons experience per second, on average? R=
Transcribed Image Text:Problem 8: A long bar with square cross-section is being used to carry current between two electrodes. The dimensions of the square cross-section are 1.6 x 1.6 cm, and an electric field of 0.15 V/m is being created by the electrodes. Part (a) The current through the bar is measured to be 45 A. What is the conductivity, in (52 m)¹, of the bar? 01.171910) 0-1172 x 10 ✔Correct! Part (b) If the number density of charge carries in this bar is 5.5 x 1026 m. how many collisions do the electrons experience per second, on average? R=
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