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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
21
Electromagnetic Induction and Faraday's Law
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21-1 to 21-4: Faraday's Law of Induction
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21-5: Generators
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21-6: Back EMF and Torque
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21-7: Transormers
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21-10: Inductance
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21-11: Magnetic Energy Storage
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21-12: LR Circuit
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21-13: AC Circuits and Reactance
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21-14: LRC Circuits
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21-15: Resonance in AC Circuits
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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 14
Q

Part of a single rectangular loop of wire with dimensions shown in Fig. 21–62 is situated inside a region of uniform magnetic field of 0.550 T. The total resistance of the loop is 0.230  Ω0.230 \; \Omega. Calculate the force required to pull the loop from the field (to the right) at a constant velocity of 3.10 m/s. Neglect gravity.

Problem 14.
Figure 21-62.
A
0.499 N0.499 \textrm{ N}
Giancoli 7th Edition, Chapter 21, Problem 14 solution video poster
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COMMENTS
By matthewgoffena on Wed, 3/11/2015 - 1:16 AM

Your answer to this problem is in volts, it should be in newtons since it's a force.

By Mr. Dychko on Wed, 3/11/2015 - 4:26 AM

Thank you matthewgoffena for noticing that. I fixed the typo.

By acw2085 on Sat, 3/26/2022 - 7:43 PM

Why do we just neglect to account for the - from the -1N in the original induced emf equation when calculating our final answer?

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