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
17-5: Potential Due to Point Charges
17-6: Electric Dipoles
17-7: Capacitance
17-8: Dielectrics
17-9: Electric Energy Storage
17-10: Digital
17-11: TV and Computer Monitors

Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 36
Q

An 8500-pF capacitor holds plus and minus charges of 16.5×108 C16.5 \times 10^{-8} \textrm{ C}. What is the voltage across the capacitor?

A
19 V19 \textrm{ V}
Giancoli 7th Edition, Chapter 17, Problem 36 solution video poster
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VIDEO TRANSCRIPT

This is Giancoli Answers with Mr. Dychko. The charge in a capacitor is equal to its capacitance times the voltage and we can solve for voltage by dividing both sides by C and so the V is going to be the charge in each plate divided by the capacitance. So 16.5 times ten to the minus eight coulombs divided by 8500 picofarads and Pico is ten to the minus 12 and that gives us about 19 volts.

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