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Problem 11: The gap of a parallel-plate capacitor is filled with a material that has dielectric constant K, and the capacitance is Co. When connected to a battery with EMF Vo the capacitor has stored charge Qo and stored energy Uo. The dielectric material is then extracted allowing the gap to fill with air. A Vo A Vo Part (a) Which of the following physical quantities does not change when the dielectric material is removed? MultipleChoice : 1) The charge stored on the capacitor plates. 2) The energy stored in the capacitor. 3) The potential difference between the capacitor plates. 4) The capacitance of the parallel-plate capacitor. Part (b) Enter an expression for the potential difference between the capacitor plates after the removal of the dielectric material. Your expression must include the original potential difference, Vo- Expression : V = Select from the variables below to write your expression. Note that all variables may not be required. E0, Y, K, Ho, 0, b, c, Co, e, g, I, j, k, m, n, Qo, R, Uo, Vo, x Part (c) Enter an expression for the charge stored by the capacitor after the removal of the dielectric material. Your expression must include the original charge, Qo- Expression : Q = Select from the variables below to write your expression. Note that all variables may not be required. €o, K, Ho, b, c, Co, e, g. I, j, Qo, R, Uo, Vo, x

Problem 11: The gap of a parallel-plate capacitor is filled with a material that has dielectric constant K, and the capacitance is Co. When connected to a battery with EMF Vo the capacitor has stored charge Qo and stored energy Uo. The dielectric material is then extracted allowing the gap to fill with air. A Vo A Vo Part (a) Which of the following physical quantities does not change when the dielectric material is removed? MultipleChoice : 1) The charge stored on the capacitor plates. 2) The energy stored in the capacitor. 3) The potential difference between the capacitor plates. 4) The capacitance of the parallel-plate capacitor. Part (b) Enter an expression for the potential difference between the capacitor plates after the removal of the dielectric material. Your expression must include the original potential difference, Vo- Expression : V = Select from the variables below to write your expression. Note that all variables may not be required. E0, Y, K, Ho, 0, b, c, Co, e, g, I, j, k, m, n, Qo, R, Uo, Vo, x Part (c) Enter an expression for the charge stored by the capacitor after the removal of the dielectric material. Your expression must include the original charge, Qo- Expression : Q = Select from the variables below to write your expression. Note that all variables may not be required. €o, K, Ho, b, c, Co, e, g. I, j, Qo, R, Uo, Vo, x

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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Problem 11: The gap of a parallel-plate capacitor is filled with a material that has dielectric constant K, and the capacitance is Co. When connected to a battery with EMF Vo the capacitor has stored charge Qo and stored energy Uo. The dielectric material is then extracted allowing the gap to fill with air. A Vo d K. A Vo Part (a) Which of the following physical quantities does not change when the dielectric material is removed? MultipleChoice : 1) The charge stored on the capacitor plates. 2) The energy stored in the capacitor. 3) The potential difference between the capacitor plates. 4) The capacitance of the parallel-plate capacitor. Part (b) Enter an expression for the potential difference between the capacitor plates after the removal of the dielectric material. Your expression must include the original potential difference, Vo. Expression : V = Select from the variables below to write your expression. Note that all variables may not be required. €0, y, K, µo, 0, b, c, Co, e, g, I, j, k, m, n, Qo, R, Uo, Vo, x Part (c) Enter an expression for the charge stored by the capacitor after the removal of the dielectric material. Your expression must include the original charge, Qo- Expression : Q = Select from the variables below to write your expression. Note that all variables may not be required. ɛ0, K, µo, b, c, Co, e, g, I, j, Qo, R, Up, Vo, x Part (d) Enter an expression for the capacitance of the capacitor after the removal of the dielectric material. Your expression must include the initial capacitance, Co. Expression : C = Select from the variables below to write your expression. Note that all variables may not be required. E0, K, Ho, b, c, Co, e, g, I, j, Qo, R, Uo, Vo, x Part (e) Enter an expression for the energy stored by the capacitor after the removal of the dielectric material. Your expression must include the initial stored energy, Uo. Expression : U = Select from the variables below to write your expression. Note that all variables may not be required. ɛ0, K, Ho, b, c, Co, e, g, I, j, Qo, R, Uo, Vo, x
Transcribed Image Text:Problem 11: The gap of a parallel-plate capacitor is filled with a material that has dielectric constant K, and the capacitance is Co. When connected to a battery with EMF Vo the capacitor has stored charge Qo and stored energy Uo. The dielectric material is then extracted allowing the gap to fill with air. A Vo d K. A Vo Part (a) Which of the following physical quantities does not change when the dielectric material is removed? MultipleChoice : 1) The charge stored on the capacitor plates. 2) The energy stored in the capacitor. 3) The potential difference between the capacitor plates. 4) The capacitance of the parallel-plate capacitor. Part (b) Enter an expression for the potential difference between the capacitor plates after the removal of the dielectric material. Your expression must include the original potential difference, Vo. Expression : V = Select from the variables below to write your expression. Note that all variables may not be required. €0, y, K, µo, 0, b, c, Co, e, g, I, j, k, m, n, Qo, R, Uo, Vo, x Part (c) Enter an expression for the charge stored by the capacitor after the removal of the dielectric material. Your expression must include the original charge, Qo- Expression : Q = Select from the variables below to write your expression. Note that all variables may not be required. ɛ0, K, µo, b, c, Co, e, g, I, j, Qo, R, Up, Vo, x Part (d) Enter an expression for the capacitance of the capacitor after the removal of the dielectric material. Your expression must include the initial capacitance, Co. Expression : C = Select from the variables below to write your expression. Note that all variables may not be required. E0, K, Ho, b, c, Co, e, g, I, j, Qo, R, Uo, Vo, x Part (e) Enter an expression for the energy stored by the capacitor after the removal of the dielectric material. Your expression must include the initial stored energy, Uo. Expression : U = Select from the variables below to write your expression. Note that all variables may not be required. ɛ0, K, Ho, b, c, Co, e, g, I, j, Qo, R, Uo, Vo, x
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