tor, he achieves the desired capacitance. 19. For the system of four capaci- tors shown in Figure P26.19, find (a) the equivalent capac- itance of the system, (b) the charge on each capacitor, and (c) the potential differ- ence across each capacitor. 20. Three capacitors are con- 3.00 μF 2.00 μF + 6.00 μF 4.00 μF 90.0 V