Solve the given problemproblem a parallel-plate capacitor, Ask an Expert

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Solve the given problem:

Problem: A parallel-plate capacitor has square plates that are 8.00cm on each side and 4.20mm apart. The space between the plates is completely filled with two square slabs of dielectric, each 8.00cm on a side and 2.10mm thick. One slab is Pyrex glass and the other is polystyrene.

Part A: If the potential difference between the plates is 76.0V, how much electrical energy is stored in the capacitor?

U =_____

I want help to find how much electrical energy is stored in the capacitor.

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