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Author Question: At a distance d from a point charge Q, the energy density in its electric field is u. If we double ... (Read 72 times)

sammy

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on: Oct 11, 2019

Question 1

An ideal parallel-plate capacitor having circular plates of diameter D that are a distance d apart stores energy U when it is connected across a fixed potential difference. If you want to triple the amount of energy stored in this capacitor by changing only the size of its plates, the diameter should be changed to
◦ 3D.
◦ 9D.
◦ .
◦ D.
◦ .

Question 2

At a distance d from a point charge Q, the energy density in its electric field is u. If we double the charge, what is the energy density at the same point?
◦ u
◦ 2u
◦ 4u
◦ 16u
◦ 8u
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Marked as best answer by sammy on Oct 11, 2019

aloop

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Reply #1 on: Oct 11, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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sammy

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Reply 2 on: Oct 11, 2019
Great answer, keep it coming :)

duy1981999

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Reply 3 on: Yesterday
Gracias!

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