Directions: Solve the following problems below. Show your complete solution. 3. The resistance of a uniform copper wire 50.0 meters long and 1.15 mm indiameter is 0.830 ohms at 20° ċ. What is the resistivity of the copper at thistemperature?4. A 200 m long aluminum wire has the same resistance and cross-sectionalarea as a carbon wire. What is the length of the carbon wire?

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The resistance of a uniform copper wire 50.0 meters long and 1.15 mm in diameter is 0.830 ohms at 20° Č. What is the resistivity of the copper at this temperature?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Current And Resistance

Section: Chapter Questions

Problem 27.5CQ: How does the resistance for copper and for silicon change with temperature? Why are the behaviors of...

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How does the resistance for copper and for silicon change with temperature? Why are the behaviors of these two materials different?
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