Question: Two identical, 10-F parallel-plate capacitors are given equal charges of 100 C each and are then removed from the charging source. The charged capacitors are

Two identical, 10-μF parallel-plate capacitors are given equal charges of 100 μC each and are then removed from the charging source. The charged capacitors are connected by a wire between their positive plates and another wire between their negative plates.

(a) What is the stored energy of the system? A dielectric having a dielectric constant of 3.2 is inserted between the plates of one of the capacitors such that it completely fills the region between the plates.

(b) What is the final charge on each capacitor?

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