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The resistivity of a metal increases slightly with

Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) | 4th Edition | ISBN: 9780134081496 | Authors: Randall D. Knight (Professor Emeritus) ISBN: 9780134081496 191

Solution for problem 27.78 Chapter 27

Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) | 4th Edition

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Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) | 4th Edition | ISBN: 9780134081496 | Authors: Randall D. Knight (Professor Emeritus)

Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) | 4th Edition

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Problem 27.78

The resistivity of a metal increases slightly with increased temperature. This can be expressed as r = r0 31 + a1T - T024, where T0 is a reference temperature, usually 20C, and a is the temperature coefficient of resistivity. For copper, a = 3.9 * 10-3 C-1 . Suppose a long, thin copper wire has a resistance of 0.25 at 20C. At what temperature, in C, will its resistance be 0.30 ?

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Chapter 27, Problem 27.78 is Solved
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Textbook: Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36)
Edition: 4
Author: Randall D. Knight (Professor Emeritus)
ISBN: 9780134081496

This textbook survival guide was created for the textbook: Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36), edition: 4. Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) was written by and is associated to the ISBN: 9780134081496. Since the solution to 27.78 from 27 chapter was answered, more than 245 students have viewed the full step-by-step answer. This full solution covers the following key subjects: . This expansive textbook survival guide covers 42 chapters, and 4463 solutions. The full step-by-step solution to problem: 27.78 from chapter: 27 was answered by , our top Physics solution expert on 12/28/17, 08:06PM. The answer to “The resistivity of a metal increases slightly with increased temperature. This can be expressed as r = r0 31 + a1T - T024, where T0 is a reference temperature, usually 20C, and a is the temperature coefficient of resistivity. For copper, a = 3.9 * 10-3 C-1 . Suppose a long, thin copper wire has a resistance of 0.25 at 20C. At what temperature, in C, will its resistance be 0.30 ?” is broken down into a number of easy to follow steps, and 72 words.

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