DC Circuits CAPACITANCE Example 1: Find the total capacitance of 3µF, 6µF, and 12µF capacitors connected in series (Figure 15). Figure 15   Example 1 - Capacitors Connected in Series 1 C_T 1 C₁ 1 C₂ 1 C₃ 1 3 1 6 1 12 4 12 2 12 1 12 7 12 C_T 12 7 1.7µ f Example 2: Find the total capacitance and working voltage of two capacitors in series, when both have a value of 150 µF, 120 V (Figure 16). Figure 16   Example 2 - Capacitors Connected in Series C_T C N 150 2 C_T 75µ f Total  voltage  that  can  be  applied  across  a  group  of capacitors  in  series  is  equal  to  the  sum  of  the  working voltages of the individual capacitors. working voltage = 120 V + 120 V = 240 volts Rev. 0 Page 15 ES-03