Two identical air-filled parallel-plate capacitors C1 and C2, each with capacitance C, are connected in series to a battery that has voltage V. While the two capacitors remain connected to the battery, a dielectric with dielectric constant K > 1 is inserted between the plates of one of the capacitors, completely filling the space between them. Let Uo be the total energy stored in the two capacitors without the dielectric and U be the total energy stored after the dielectric is inserted. Part A What is the ratio U/Uo? Express your answer in terms of K. %= Submit ▾ Part B for Part A for Part A undo for Part A redo for Part A reset for Part A keyboard shortcuts for Part A help for Part A Request Answer Does the total stored energy increase, decrease, or stay the same after the dielectric is inserted? increases Odecreases Ostay the same Submit Request Answer < Return to Assignment Provide Feedback

College Physics
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Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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Two identical air-filled parallel-plate capacitors C1 and C2, each with
capacitance C, are connected in series to a battery that has voltage V.
While the two capacitors remain connected to the battery, a dielectric with
dielectric constant K > 1 is inserted between the plates of one of the
capacitors, completely filling the space between them. Let Uo be the total
energy stored in the two capacitors without the dielectric and U be the total
energy stored after the dielectric is inserted.
Part A
What is the ratio U/Uo?
Express your answer in terms of K.
Uo
=
Submit
Part B
for Part A for Part A undo for Part A redo for Part A reset for Part A keyboard shortcuts for Part A help for Part A
Request Answer
Does the total stored energy increase, decrease, or stay the same after the dielectric is inserted?
increases
decreases
Submit
stay the same
Request Answer
< Return to Assignment
Provide Feedback
Transcribed Image Text:Two identical air-filled parallel-plate capacitors C1 and C2, each with capacitance C, are connected in series to a battery that has voltage V. While the two capacitors remain connected to the battery, a dielectric with dielectric constant K > 1 is inserted between the plates of one of the capacitors, completely filling the space between them. Let Uo be the total energy stored in the two capacitors without the dielectric and U be the total energy stored after the dielectric is inserted. Part A What is the ratio U/Uo? Express your answer in terms of K. Uo = Submit Part B for Part A for Part A undo for Part A redo for Part A reset for Part A keyboard shortcuts for Part A help for Part A Request Answer Does the total stored energy increase, decrease, or stay the same after the dielectric is inserted? increases decreases Submit stay the same Request Answer < Return to Assignment Provide Feedback
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