Consider a plane parallel-plate capacitor made of two
Chapter , Problem 52(choose chapter or problem)
Consider a plane parallel-plate capacitor made of two strips of aluminum foil separated by a layer of paraffincoated paper. Each strip of foil and paper is 7.00 cm wide. The foil is 0.004 00 mm thick, and the paper is 0.025 0 mm thick and has a dielectric constant of 3.70. What length should the strips be if a capacitance of 9.50 3 1028 F is desired? (If, after this plane capacitor is formed, a second paper strip can be added below the foil-paper-foil stack and the resulting assembly rolled into a cylindrical formsimilar to that shown in Figure 16.26the capacitance can be doubled because both surfaces of each foil strip would then store charge. Without the second strip of paper, however, rolling the layers would result in a short circuit.)
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