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A capacitor is made by sandwiching two thin sheets of aluminum between two layers of neoprene rubber and then rolled into a cylinder. Each of the sheets are 50 cm wide and 50 m long. The layers of rubber are 0.5 mm thick and have a dielectric constant of 6.7. (a) What is the permittivity of neoprene? (b) What is the capacitance of the capacitor? (c) If 12 volts are applied across the capacitor, what is the electric field between the sheets? (d) What is the charge density on the surface of the aluminum sheets? (e) How much energy is stored in the capacitor? olution: the sheets were kept flat instead of being rolled up, we would have a flat-plat ® Java Update Available x de of

A capacitor is made by sandwiching two thin sheets of aluminum between two layers of neoprene rubber and then rolled into a cylinder. Each of the sheets are 50 cm wide and 50 m long. The layers of rubber are 0.5 mm thick and have a dielectric constant of 6.7. (a) What is the permittivity of neoprene? (b) What is the capacitance of the capacitor? (c) If 12 volts are applied across the capacitor, what is the electric field between the sheets? (d) What is the charge density on the surface of the aluminum sheets? (e) How much energy is stored in the capacitor? olution: the sheets were kept flat instead of being rolled up, we would have a flat-plat ® Java Update Available x de of

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A capacitor is made by sandwiching two thin sheets of aluminum between two layers of neoprene rubber and then rolled into a cylinder. Each of the sheets are 50 cm wide and 50 m long. The layers of rubber are 0.5 mm thick and have a dielectric constant of 6.7. (a) What is the permittivity of neoprene? (b) What is the capacitance of the capacitor? (c) If 12 volts are applied across the capacitor, what is the electric field between the sheets? (d) What is the charge density on the surface of the aluminum sheets? (e) How much energy is stored in the capacitor? olution: the sheets were kept flat instead of being rolled up, we would have a flat-plat ® Java Update Available x de of
Transcribed Image Text:A capacitor is made by sandwiching two thin sheets of aluminum between two layers of neoprene rubber and then rolled into a cylinder. Each of the sheets are 50 cm wide and 50 m long. The layers of rubber are 0.5 mm thick and have a dielectric constant of 6.7. (a) What is the permittivity of neoprene? (b) What is the capacitance of the capacitor? (c) If 12 volts are applied across the capacitor, what is the electric field between the sheets? (d) What is the charge density on the surface of the aluminum sheets? (e) How much energy is stored in the capacitor? olution: the sheets were kept flat instead of being rolled up, we would have a flat-plat ® Java Update Available x de of
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