Two square, parallel metal plates that are 20 cm long on each side are separated by a 3.0 mm air gap. The plates are charged by 100 V power supply and then disconnected from it. A sheet of rubber of dielectric constant 3.0 is placed between the plates. (a) Does the charge on the plates change? Explain. If your answer is yes, consider where the new charge originates. (b) Does the voltage change? If it does, calculate the change. (c) Does the electric field between the plates change? If it does, calculate the change.

Two square, parallel metal plates that are 20 cm long on each side are separated by a 3.0 mm air…

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Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter20: Electric Potential And Capacitance

Section: Chapter Questions

Problem 37P

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Two square, parallel metal plates that are 20 cm long on each side are separated by a 3.0 mm air gap. The plates are charged by 100 V power supply and then disconnected from it. A sheet of rubber of dielectric constant 3.0 is placed between the plates. (a) Does the charge on the plates change? Explain. If your answer is yes, consider where the new charge originates. (b) Does the voltage change? If it does, calculate the change. (c) Does the electric field between the plates change? If it does, calculate the change.

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