03.44: A circular parallel-plate capacitor is co/u o dku3a69jjd7:vhc nnected to a battery in a circuit. The capacitor is fully charged before the battery is disconnected from the circuit. A uniform material of dielectric constant:adh9u v3jkdo7u6 j/c $κ$ is inserted between the plates of the capacitor, effectively filling the space between the plates. Let $U_old$ be the energy stored by the capacitor before the dielectric was inserted, while $U_new$ is the energy stored after the dielectric was inserted. The ratio of $U_new/U_old$ is

  11.42: A parallel-pla rnlb,ev778ltb 39etfccv8 )gte capacitor of capacitance C has an insulating dielectric material of constant K filling the entire region between its plates. This capacitor now is connected to a battery of voltage V and is fully charged before the battery is disconnected. The capacitor stores energy U. Using insulating gloves, a person now removes the dielectric from the capacitor. Aftvbc8n7r97let8t f gb v,3 ec)ler equilibrium is established following the removal of the dielectric, which one of the following choices best represents the energy stored by the capacitor in terms of U?

  14.47: An air-filled parallel-plate capacitor of capacitance Cj,u api92 rj+)r 6grio is fully charged after being connected to a battery of voltage V. The battery then is disconnected and an insulating dielectric slab of constant K is inserted between the capacitor’s plates, fully filling the region. Wharp,aur6i rgi92)j+jo t is the voltage between the plates once equilibrium is established with the dielectric in place?

  15.45: A 6.00 μF parallel-plate capacitor is disconnected fromb, )sj;jo r+ky69-cj bnh 1qw aa3p2to a 12 volt battery after being fully charged. A person now carefully inserts a dielectric material of constant K= 2 so that it fills one-half of tpaj;ats obk b2o-jn1+93cy, ) rj h6wqhe space between the plates as shown. How much work was done by the person while inserting the dielectric?