A 40μF capacitor with an air gap of 2mm is connected across a 12V battery. (a) Calculate the charge, electric field, and potential energy stored in this capacitor. (b) If an insulator with a dielectric constant of 5.0 is inserted between the metal plates, calculate the new capacitance, voltage, electric charge, electric field and potential energy in this capacitor.

A 40μF capacitor with an air gap of 2mm is connected across a 12V battery. (a) Calculate the charge, electric field, and potential energy stored in this capacitor. (b) If an insulator with a dielectric constant of 5.0 is inserted between the metal plates, calculate the new capacitance, voltage, electric charge, electric field and potential energy in this capacitor.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter27: Capacitors And Batteries

Section: Chapter Questions

Problem 54PQ: A parallel-plate capacitor with an air gap has capacitance C0. It is connected to a battery with...

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