Explanation Given Info: Charge per unit area of the belt is σ and the speed of the belt is v . Write the expression for the magnetic field of an infinite current sheet. B = μ 0 N I 2 L (I) B is the magnetic field μ 0 is the permeability of free space N is the number of turns L is the length I is the current The factor 2 in the denominator is due to contribution from the two sides of the sheet. The charge on the belt is, Q = σ L Δ x (II) Q is the charge Δ x is the length on the belt Write the expression for current. I = Q t (III) t is the time Use Equations (II) and (III) in (I)

University Physics with Modern Physics (14th Edition)

14th Edition

ISBN: 9780321973610

Author: Hugh D. Young, Roger A. Freedman

Publisher: PEARSON

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Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.

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Chapter 28, Problem 28.80CP

To determine

The magnitude and direction of magnetic field produced by the moving belt at a point just above its surface.

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Chapter 28, Problem 28.79CP

Chapter 28, Problem 28.81PP

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Chapter 28 Solutions

University Physics with Modern Physics (14th Edition)

Ch. 28.1 - (a) If two protons are traveling parallel to each...Ch. 28.2 - An infinitesimal current element located at the...Ch. 28.3 - The accompanying figure shows a circuit that lies...Ch. 28.4 - A solenoid is a wire wound into a helical coil....Ch. 28.5 - Prob. 28.5TYU Ch. 28.6 - The accompanying figure shows magnetic field lines...Ch. 28.7 - Prob. 28.7TYU Ch. 28.8 - Which of the following materials are attracted to...Ch. 28 - A topic of current interest in physics research is...Ch. 28 - Streams of charged particles emitted from the sun...

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