The figure (Fig. 1) shows a long cylindrical capacitor consists of a solid conducting core with radius ri = 4 mm and outer hollow conducting tube with an inner radius of r2 = 40 mmThe length of the capacitor is L = 22 cmFigure 2 is the cross sectional view of the system. This system of rod and shell is connected to a voltage source of emf E = 10.0 volts There is no dielectric material present in the system as of now. PartI a)Calculate the capacitance of this capacitor. capacitance Give your answer up to at least three significance digits.

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The figure (Fig. 1) shows a long cylindrical capacitor consists of a solid conducting core with radius r1
with an inner radius of r2
and shell is connected to a voltage source of emf E = 10.0 volts There is no dielectric material present in the system as of now.
4 mm and outer hollow conducting tube
40 mmThe length of the capacitor is L = 22 cmFigure 2 is the cross sectional view of the system. This system of rod
PartI
a)Calculate the capacitance of this capacitor.
capacitance
Give your answer up to at least three significance digits.
Transcribed Image Text:The figure (Fig. 1) shows a long cylindrical capacitor consists of a solid conducting core with radius r1 with an inner radius of r2 and shell is connected to a voltage source of emf E = 10.0 volts There is no dielectric material present in the system as of now. 4 mm and outer hollow conducting tube 40 mmThe length of the capacitor is L = 22 cmFigure 2 is the cross sectional view of the system. This system of rod PartI a)Calculate the capacitance of this capacitor. capacitance Give your answer up to at least three significance digits.
c) The battery remains connected to the capacitor and we insert a dielectric material between the rod and shell, replacing air completely. The
dielectric constant of the material is K = 2.4 At this point, calculate the total energy stored in the capacitor.
total energy stored.
Give your answer up to at least three significance digits.
PartIII Right after part (I).
d)we disconnect the battery from the capacitor and then we insert a dielectric material between the rod and shell, replacing air completely. The
dielectric constant of the material is k as before. Now, how much energy is stored in the capacitor? Are the answers of (c) and (d) different from each
other? Briefly explain the reason.
energy stored
Give your answer up to at least three significance digits.
Transcribed Image Text:c) The battery remains connected to the capacitor and we insert a dielectric material between the rod and shell, replacing air completely. The dielectric constant of the material is K = 2.4 At this point, calculate the total energy stored in the capacitor. total energy stored. Give your answer up to at least three significance digits. PartIII Right after part (I). d)we disconnect the battery from the capacitor and then we insert a dielectric material between the rod and shell, replacing air completely. The dielectric constant of the material is k as before. Now, how much energy is stored in the capacitor? Are the answers of (c) and (d) different from each other? Briefly explain the reason. energy stored Give your answer up to at least three significance digits.
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