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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
17
Electric Potential
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17-1 to 17-4: Electric Potential
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17-5: Potential Due to Point Charges
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17-6: Electric Dipoles
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17-7: Capacitance
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17-8: Dielectrics
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17-9: Electric Energy Storage
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17-11: TV and Computer Monitors
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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 52
Q

650 V is applied to a 2800-pF capacitor. How much energy is stored?

A
5.9×10−4 J5.9 \times 10^{-4} \textrm{ J}
Giancoli 7th Edition, Chapter 17, Problem 52 solution video poster
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VIDEO TRANSCRIPT

This is Giancoli Answers with Mr. Dychko. The energy stored in a capacitor is one half times its capacitance times the voltage across it, squared. So that's one half times 2800 times ten to the minus twelve farads times 650 volts squared which gives 5.9 times ten to the minus four Joules.

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Giancoli Answers, including solutions and videos, is copyright © 2009-2024 Shaun Dychko, Vancouver, BC, Canada. Giancoli Answers is not affiliated with the textbook publisher. Book covers, titles, and author names appear for reference purposes only and are the property of their respective owners. Giancoli Answers is your best source for the 7th and 6th edition Giancoli physics solutions.