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# A current is set up in a wire loop consisting of a

ISBN: 9781118230718 79

## Solution for problem 18 Chapter 29

Fundamentals of Physics | 10th Edition

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Problem 18

A current is set up in a wire loop consisting of a semicircle of radius 4.00 cm, a smaller concentric semicircle, and two radial straight lengths, all in the same plane. Figure 29-47a shows the arrangement but is not drawn to scale. The magnitude of the magnetic field produced at the center of curvature is 47.25 mT. The smaller semicircle is then flipped over (rotated) until the loop is again entirely in the same plane (Fig. 29-47b).The magnetic field produced at the (same) center of curvature now has magnitude 15.75 mT, and its direction is reversed from the initial magnetic field. What is the radius of the smaller semicircle?

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E=1.60*10^-19 C…. Coulombs is the unit of the charge. Mass of e is much less than protons and neutrons and that explains why electrons are so mobile. Electric forces acts on the charges, but this electric force cannot actually be seen and can explain why protons repel and electrons repel. Force is an important law in regards to point charges. Newtons 3 law of motion (action and reaction) same...

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##### ISBN: 9781118230718

This textbook survival guide was created for the textbook: Fundamentals of Physics, edition: 10. Fundamentals of Physics was written by and is associated to the ISBN: 9781118230718. Since the solution to 18 from 29 chapter was answered, more than 265 students have viewed the full step-by-step answer. The answer to “A current is set up in a wire loop consisting of a semicircle of radius 4.00 cm, a smaller concentric semicircle, and two radial straight lengths, all in the same plane. Figure 29-47a shows the arrangement but is not drawn to scale. The magnitude of the magnetic field produced at the center of curvature is 47.25 mT. The smaller semicircle is then flipped over (rotated) until the loop is again entirely in the same plane (Fig. 29-47b).The magnetic field produced at the (same) center of curvature now has magnitude 15.75 mT, and its direction is reversed from the initial magnetic field. What is the radius of the smaller semicircle?” is broken down into a number of easy to follow steps, and 109 words. The full step-by-step solution to problem: 18 from chapter: 29 was answered by , our top Physics solution expert on 09/04/17, 09:42PM. This full solution covers the following key subjects: semicircle, smaller, Field, magnetic, curvature. This expansive textbook survival guide covers 44 chapters, and 4164 solutions.

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