Question: Suppose several different parallel-plate capacitors are charged up by a constant voltage source. Thinking of the actual movement and position of the charges on an

Suppose several different parallel-plate capacitors are charged up by a constant voltage source. Thinking of the actual movement and position of the charges on an atomic level, why does it make sense that the capacitances are proportional to the surface areas of the plates? Why does it make sense that the capacitances are inversely proportional to the distance between the plates?

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