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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 18
Q

A 22.0-cm-diameter coil consists of 30 turns of circular copper wire 2.6 mm in diameter. A uniform magnetic field, perpendicular to the plane of the coil, changes at a rate of 8.65×10−3 T/s8.65 \times 10^{-3} \textrm{ T/s}. Determine

  1. the current in the loop, and
  2. the rate at which thermal energy is produced.
A
  1. 0.15 A0.15 \textrm{ A}
  2. 1.5×10−3 W1.5 \times 10^{-3} \textrm{ W}
Giancoli 7th Edition, Chapter 21, Problem 18 solution video poster
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COMMENTS
By ehgms11 on Fri, 3/29/2024 - 5:59 AM

Why would we use radius of coil instead of the wire in this case?

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