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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 6th 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 Current Loop, Applications
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20-11: Mass Spectrometer
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20-12: Ferromagnetism, Hysteresis
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Problem 44
A
a) 2.7μT2.7 \mu \textrm{T}
b)5.3μT5.3 \mu \textrm{T}
c) They are opposite directions, but different magnitudes since they're due to different size currents
d)1.1×10−5N/m1.1 \times 10^{-5} \textrm{N/m} The forces are equal since they are Newton's 3rd Law pairs.
Giancoli 6th Edition, Chapter 20, Problem 44 solution video poster
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