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week4 (dragged) 72

# week4 (dragged) 72 - the negative plate if we know the...

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August 18, 2010 University Physics, Chapter 24 15 Example: Capacitance, Charge, and Electrons … Question: A storage capacitor on a random access memory (RAM) chip has a capacitance of 55 n F . If the capacitor is charged to 5.3 V , how many excess electrons are on the negative plate? Answer: Idea: We can find the number of excess electrons on
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Unformatted text preview: the negative plate if we know the total charge q on the plate. Then, the number of electrons n = q / e , where e is the electron charge in coulomb. Second idea: The charge q of the plate is related to the voltage V to which the capacitor is charged: q = CV . Thursday, September 16, 2010...
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