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A dielectric-filed parallel-plate capacitor has plate area A- 20.0 cm , plate separation d= 6.00 mm and dielectric constant k- 2.00. The capacitor is connected to a battery that creates a constant voltage V= 12.5 V. Throughout the problem, use co8.85x10 C /N m2 . Find the energy U, of the dielectrio-iled capacitor. Express your answer numerically in joules.

A dielectric-filed parallel-plate capacitor has plate area A- 20.0 cm , plate separation d= 6.00 mm and dielectric constant k- 2.00. The capacitor is connected to a battery that creates a constant voltage V= 12.5 V. Throughout the problem, use co8.85x10 C /N m2 . Find the energy U, of the dielectrio-iled capacitor. Express your answer numerically in joules.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
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<Chapter 20 + Energy of a Capacitor in the Presence of a Dielectric A dielectric-filled parallel-plate capacitor has plate area A = 20.0 cm? , plate separation d = 6.00 mm and dielectric constant k = 2.00. The capacitor is connected to a battery that creates a constant voltage V = 12.5 V . Throughout the problem, use co = 8.85x10-12 C /N - m² . Find the energy Uj of the dielectric-filled capacitor. Express your answer numerically in joules. • View Available Hint(s) X•10" O 11 9- U1 = 461 • 10 J Submit Previous Answers X Incorrect; Try Again; 2 attempts remaining Part B The dielectric plate is now slowly pulled out of the capacitor, which remains connected to the battery. Find the energy U2 of the capacitor at the moment when the capacitor is half-filled with the dielectric. Express your answer numerically in joules. • View Available Hint(s) O EA 1? X•10" 12 Uz = 3.45 • 10 J Submit Previous Answers X Incorrect; Try Again; 2 attempts remaining Part C The capacitor is now disconnected from the battery, and the dielectric plate is slowly removed the rest of the way out of the capacitor. Find the new energy of the capacitor, U3. Express your answer numerically in joules. • View Available Hint(s) (O ED 1? He Be U3 = |4.43 • 10-12 J Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining Part D In the process of removing the remaining portion of the dielectric from the disconnected capacitor, how much work W is done by the external agent acting on the dielectric? Express your answer numerically in joules.
Transcribed Image Text:<Chapter 20 + Energy of a Capacitor in the Presence of a Dielectric A dielectric-filled parallel-plate capacitor has plate area A = 20.0 cm? , plate separation d = 6.00 mm and dielectric constant k = 2.00. The capacitor is connected to a battery that creates a constant voltage V = 12.5 V . Throughout the problem, use co = 8.85x10-12 C /N - m² . Find the energy Uj of the dielectric-filled capacitor. Express your answer numerically in joules. • View Available Hint(s) X•10" O 11 9- U1 = 461 • 10 J Submit Previous Answers X Incorrect; Try Again; 2 attempts remaining Part B The dielectric plate is now slowly pulled out of the capacitor, which remains connected to the battery. Find the energy U2 of the capacitor at the moment when the capacitor is half-filled with the dielectric. Express your answer numerically in joules. • View Available Hint(s) O EA 1? X•10" 12 Uz = 3.45 • 10 J Submit Previous Answers X Incorrect; Try Again; 2 attempts remaining Part C The capacitor is now disconnected from the battery, and the dielectric plate is slowly removed the rest of the way out of the capacitor. Find the new energy of the capacitor, U3. Express your answer numerically in joules. • View Available Hint(s) (O ED 1? He Be U3 = |4.43 • 10-12 J Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining Part D In the process of removing the remaining portion of the dielectric from the disconnected capacitor, how much work W is done by the external agent acting on the dielectric? Express your answer numerically in joules.
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