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Get Full Access to Physics For Scientists & Engineers With Modern Physics - 4 Edition - Chapter 28 - Problem 28.27
Get Full Access to Physics For Scientists & Engineers With Modern Physics - 4 Edition - Chapter 28 - Problem 28.27

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# A 2.5-mm-diameter copper wire carries a 33-A

ISBN: 9780131495081 132

## Solution for problem 28.27 Chapter 28

Physics for Scientists & Engineers with Modern Physics | 4th Edition

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Problem 28.27

A 2.5-mm-diameter copper wire carries a 33-A current(uniform across its cross section). Determine the magneticfield: (a) at the surface of the wire; (b) inside the wire, 0.50 mmbelow the surface; (c) outside the wire 2.5 mm from the surface.

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Modern Physics Lecture 1: Foundations and Special Relativity Position, Time, and Rotation are all continuous symmetries (discrete symmetries such as reflection do not produce the same results as below):  Invariance in position (changing where in space you perform your experiment) proves momentum conservation  Invariance in rotation (eg. rotating your entire experiment by 90 degrees) proves conservation of angular momentum  Invariance in time (changing when in time you perform your experiment, eg. today vs. tomorrow) proves energy conservation Newtonian Mechanics:  Inertia  F=ma  The force of object 1 on object 2 is equal in magnitude to the force of object 2 on object 1  True in an inertial reference frame

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A 2.5-mm-diameter copper wire carries a 33-A