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You have a parallel-plate capacitor made of two square metal plates. The sides of each plate...

  1. You have a parallel-plate capacitor made of two square metal plates. The sides of each plate is 10 cm and they are separated by a distance of 5 mm.

    (a) What is the capacitance of this capacitor? (b) You insert a thin quartz sheet into the space between the plates so that it take sup the entire space between the plates. What is the capacitance of the capacitor now? (c) You put this capacitor with the dielectric inserted into a circuit with a 10 Volt battery. Then you remove the quartz sheet. Did the potential energy stored in the capacitor change when you removed the quartz? If not, why not? If so, by how much, did it increase or decrease, and where did the energy come from or go to?
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