Modern computer memories use parallel-plate capacitors to store information, and these capacitors are the basic elements of a random-access memory (RAM) chip. Assume one of these capacitors has plates with an area of L xL, where L =1.0 µm (=1.0 ×10-6 m), and a plate separation of d =10 nm (=1.0 ×10-8 m). (a) Find the capacitance of such a capacitor. (b) Calculate the amount of charge that must be placed onto the plates to obtain a potential difference of 5.0 V across the plates. (c) How many electrons does this charge correspond to?

Modern computer memories use parallel-plate capacitors to store information, and these capacitors are the basic elements of a random-access memory (RAM) chip. Assume one of these capacitors has plates with an area of L xL, where L =1.0 µm (=1.0 ×10-6 m), and a plate separation of d =10 nm (=1.0 ×10-8 m). (a) Find the capacitance of such a capacitor. (b) Calculate the amount of charge that must be placed onto the plates to obtain a potential difference of 5.0 V across the plates. (c) How many electrons does this charge correspond to?

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter16: Electrical Energy And Capacitance

Section: Chapter Questions

Problem 34P: A 1-megabit computer memory chip contains many 60.0 1015-F capacitors. Each capacitor has a plate...

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