To find the equivalent total capacitance Cp, we first note that the voltage across each capacitor is V, the same as that of the source, since they are connected directly to it thro...To find the equivalent total capacitance Cp, we first note that the voltage across each capacitor is V, the same as that of the source, since they are connected directly to it through a conductor. (Conductors are equipotentials, and so the voltage across the capacitors is the same as that across the voltage source.) Thus the capacitors have the same charges on them as they would have if connected individually to the voltage source.
