A capacitor is connected to an ideal battery, and the capacitor is allowed to charge completely. The capacitor is then isolated from the battery, and a material with a dielectric constant of 3 is slowly inserted between the plates of the capacitor. Which of the following correctly describes the process of inserting the material?
A) A force is required to push the material into the space between the plates, and the potential energy stored between the plates of the capacitor will remain the same.
B) A force is required to push the material into the space between the plates, and the potential energy stored between the plates of the capacitor will increase by a factor of 3
C) A force is required to push the material into the space between the plates, and the potential energy stored between the plates of the capacitor will increase by a factor of 9
D) The capacitor will pull the material into the space between the plates, and the potential energy stored between the plates of the capacitor will decrease by a factor of 3
E) The capacitor will pull the material into the space between the plates, and the potential energy stored between the plates of the capacitor will decrease by a factor of 9.
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