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A parallel-plate capacitor is constructed of two square conducting sheets 4.0 cm on a side separated by an air gap 3.0 mm thick. The capacitor is first connected to a 9.00 V battery long enough to fully charge. Show your work for each step below. (a) What is the charge on the capacitor? (b) What is the magnitude of the electric field inside the capacitor? (c) How much energy is stored in the capacitor? Next, the capacitor is disconnected from the battery without discharging and the plates are pulled apart to a new separation distance of 8.00 mm and a dielectric made of teflon is inserted in the capacitor. (d) What is the potential across the capacitor? (e) What is the energy stored in the capacitor?

A parallel-plate capacitor is constructed of two square conducting sheets 4.0 cm on a side separated by an air gap 3.0 mm thick. The capacitor is first connected to a 9.00 V battery long enough to fully charge. Show your work for each step below. (a) What is the charge on the capacitor? (b) What is the magnitude of the electric field inside the capacitor? (c) How much energy is stored in the capacitor? Next, the capacitor is disconnected from the battery without discharging and the plates are pulled apart to a new separation distance of 8.00 mm and a dielectric made of teflon is inserted in the capacitor. (d) What is the potential across the capacitor? (e) What is the energy stored in the capacitor?

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter1: Units And Measurement
Section: Chapter Questions
Problem 15P: Use the orders of magnitude you found in the previous problem to answer the following questions to...
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A parallel-plate capacitor is constructed of two square conducting sheets 4.0 cm on a side separated by an air gap 3.0 mm thick. The capacitor is first connected to a 9.00 V battery long enough to fully charge. Show your work for each step below. (a) What is the charge on the capacitor? (b) What is the magnitude of the electric field inside the capacitor? (c) How much energy is stored in the capacitor? Next, the capacitor is disconnected from the battery without discharging and the plates are pulled apart to a new separation distance of 8.00 mm and a dielectric made of teflon is inserted in the capacitor. (d) What is the potential across the capacitor? (e) What is the energy stored in the capacitor?
Transcribed Image Text:A parallel-plate capacitor is constructed of two square conducting sheets 4.0 cm on a side separated by an air gap 3.0 mm thick. The capacitor is first connected to a 9.00 V battery long enough to fully charge. Show your work for each step below. (a) What is the charge on the capacitor? (b) What is the magnitude of the electric field inside the capacitor? (c) How much energy is stored in the capacitor? Next, the capacitor is disconnected from the battery without discharging and the plates are pulled apart to a new separation distance of 8.00 mm and a dielectric made of teflon is inserted in the capacitor. (d) What is the potential across the capacitor? (e) What is the energy stored in the capacitor?
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