Giancoli's Physics: Principles with Applications, 7th Edition
16
Electric Charge and Electric Field
Change chapter16-5 and 16-6: Coulomb's Law
16-7 and 16-8: Electric Field, Field Lines
16-10: DNA
16-12: Gauss's Law
Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 2
Q
How many electrons make up a charge of ?
A
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VIDEO TRANSCRIPT
This is Giancoli Answers with Mr. Dychko. Knowing that one electron has a charge of 1.602 times 10 to the minus 19 Coulombs, we can multiply that by the number of Coulombs, 48 times 10 to the minus six, because 10 to the minus six is what you have for micro. And the Coulombs cancel and we're left with a number of electrons. It don't need to have the negative sign there because it's just a magnitude of the charge that concerns us here. And we have 3.00 times 10 to the 14 electrons and 14 microcoulombs.
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