Question

Capacitor A is a standard parallel-plate capacitor with no dielectric. It was charged up (though is currently not attached to anything) and currently has charge of Qo, a voltage of Vo, a capacitance of Co, and a potential energy of PEo. A dielectric with K = 67 is to be inserted into capacitor A. Determine what the capacitance, charge, voltage, & potential energy of capacitor A will be once the dielectric is fully inserted.

Capacitor A is a standard parallel-plate capacitor with no dielectric. It was charged up (though is currently not attached to anything) and currently has charge of Oor a voltage of Vo, a capacitance of Co, and a potential energy of PEo. A dielectric with K-67 is to be inserted into capacitor A. Determine what the capacitance, charge, voltage, & potential energy of capacitor A will be once the dielectric is fully inserted. c-1 67 a12 v-3 10.0149 PE = xao

I am just having difficulty understanding how to find the PE.

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