An ideal air-filled parallel-plate capacitor has round plates and carries a fixed amount of equal but opposite charge on its plates. All the geometric parameters of the capacitor (plate diameter and plate separation) are now DOUBLED. If the original energy density between the plates was uo, what is the new energy density? (Hint: We've seen different formulas for energy in a capacitor that involve q, V, C or E. Think about how each of these quantities changes in this problem.) A) 1640 B) 440 C) u0 D) u0/4 E) ио/16
An ideal air-filled parallel-plate capacitor has round plates and carries a fixed amount of equal but opposite charge on its plates. All the geometric parameters of the capacitor (plate diameter and plate separation) are now DOUBLED. If the original energy density between the plates was uo, what is the new energy density? (Hint: We've seen different formulas for energy in a capacitor that involve q, V, C or E. Think about how each of these quantities changes in this problem.) A) 1640 B) 440 C) u0 D) u0/4 E) ио/16
Chapter8: Capacitance
Section: Chapter Questions
Problem 61P: The dielectric to be used in a parallel-plate capacitor has a dielectric constant of 3.60 and a...
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