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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
20
Magnetism
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20-3: Force on Electric Current in Magnetic Field
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20-4: Force on Charge Moving in Magnetic Field
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20-5 and 20-6: Magnetic Field of Straight Wire, Force between Two Wires
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20-7: Solenoids and Electromagnets
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20-8: Ampère's Law
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20-9 and 20-10: Torque on Curent Loop, Motors, Galvanometers
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20-11: Mass Spectrometer
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20-12: Ferromagnetism, Hysteresis
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 27
Q

Determine the magnitude and direction of the force between two parallel wires 25 m long and 4.0 cm apart, each carrying 25 A in the same direction.

A
7.8×10−2 N toward each other7.8 \times 10^{-2} \textrm{ N toward each other}
Giancoli 7th Edition, Chapter 20, Problem 27 solution video poster
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