University Physics with Modern Physics (14th Edition)

14th Edition

ISBN: 9780321973610

Author: Hugh D. Young, Roger A. Freedman

Publisher: PEARSON

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Electromagnets

The word "electromagnet" is composed of two words, ‘electro’ and ‘magnet’. It is a type of magnet in which an electric current helps in the generation of a magnetic field. Electromagnets usually consist of two major parts, wire and a coil around which th…

Textbook Question

Chapter 29, Problem 29.30E

A 0.650-m-long metal bar is pulled to the right at a steady 5.0 m/s perpendicular to a uniform. 0.750-T magnetic field. The bar rides on parallel metal rails connected through a 25.0-Ω resistor (Fig. E29.30). so the apparatus makes a complete circuit. Ignore the resistance of the bar and the rails. (a) Calculate the magnitude of the emf induced in the circuit. (b) Find the direction of the current induced in the circuit by using (i) the magnetic force on the charges in the moving bar; (ii) Faraday’s law; (iii) Lenz’s law. (c) Calculate the current through the resistor.

Figure E29.30

Chapter 29, Problem 29.30E, A 0.650-m-long metal bar is pulled to the right at a steady 5.0 m/s perpendicular to a uniform.

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Chapter 29, Problem 29.29E

Chapter 29, Problem 29.31E

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Chapter 29 Solutions

University Physics with Modern Physics (14th Edition)

Ch. 29.2 - The accompanying figure shows a wire coil being...Ch. 29.3 - (a) Suppose the magnet in Fig. 29.14a were...Ch. 29.4 - The earths magnetic field points toward (magnetic)...Ch. 29.5 - If you wiggle a magnet back and forth in your...Ch. 29.6 - Prob. 29.6TYU Ch. 29.7 - Prob. 29.7TYU Ch. 29 - A sheet of copper is placed between the poles of...Ch. 29 - Prob. 29.2DQ Ch. 29 - Prob. 29.3DQ Ch. 29 - Prob. 29.4DQ

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