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The force per meter between the two wires of a jumper cable being used to start a

College Physics for AP® Courses | 1st Edition | ISBN: 9781938168932 | Authors: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram ISBN: 9781938168932 372

Solution for problem 51 Chapter 22

College Physics for AP® Courses | 1st Edition

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College Physics for AP® Courses | 1st Edition | ISBN: 9781938168932 | Authors: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram

College Physics for AP® Courses | 1st Edition

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Problem 51

The force per meter between the two wires of a jumper cable being used to start a stalled car is 0.225 N/m. (a) What is the current in the wires, given they are separated by 2.00 cm? (b) Is the force attractive or repulsive?

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Electromagnetic Induction Goals • To examine experimental evidence that a changing magnetic field induces an emf • To learn how Faraday’s law relates the induced emf to the change in flux • To determine the direction of an induced emf • To calculate the emf induced by a moving conductor • To learn how a changing magnetic flux generates an electric field • To study the four fundamental equations that describe electricity and magnetism Introduction • How is a credit card reader related to magnetism • Energy conversion makes use of electromagnetic induction. • Faraday’s law and Lenz’s law tell us about induced currents. • Maxwell’s equations describe the behavior of electric and magnetic fields in any situation. Induced current • A changing magnetic flux causes an induced current. • The induced emf is the corresponding emf causing the current. Copyright © 2012 Pearson Education Inc. Magnetic flux through an area element • how to calculate the magnetic flux through an element of area. Copyright © 2012 Pearson Education Inc. Faraday’s law • The flux depends on the orientation of the surface with respect to the magnetic field. • Faraday’s law: The induced emf in a closed loop equals the negative of the time rate of change of magnetic flux through the loop, or  = –d /dt. B Copyright © 2012 Pearson Education Inc. Emf and the current induced in a loop Copyright © 2012 Pearson Educati

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Chapter 22, Problem 51 is Solved
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Textbook: College Physics for AP® Courses
Edition: 1
Author: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram
ISBN: 9781938168932

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