A parallel plate capacitor is connected to abattery. The space between the plates isthen filled with a dielectric material that hask= 1.7 while the capacitor remainsconnected to the battery. Find the ratio ofthe stored energy in the capacitor U_after/U_before.A. 1.7В. 1C. 0.5882D. 2.89E. 0.346

We have to use some basic formula of capacitor.

A parallel plate capacitor is connected to a battery. The space between the plates is then filled with a dielectric material that ha k= 1.7 while the capacitor remains connected to the battery. Find the ratio of the stored energy in the capacitor U_after /U_before.

A parallel plate capacitor is connected to a battery. The space between the plates is then filled with a dielectric material that ha k= 1.7 while the capacitor remains connected to the battery. Find the ratio of the stored energy in the capacitor U_after /U_before.

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 79P

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Question

A parallel plate capacitor is connected to a
battery. The space between the plates is
then filled with a dielectric material that has
k= 1.7 while the capacitor remains
connected to the battery. Find the ratio of
the stored energy in the capacitor U_after
/U_before.
A. 1.7
В. 1
C. 0.5882
D. 2.89
E. 0.346

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