The net capacitance in the circuit above is
For capacitance i n parallel, 2µF and 2µF are in parallel, their equivalence is 2µF and 2µF = 4µF The 4µF generated is now in series with the remaining 4µF. The net capacitance for series connection is 1C = 14 + 14 = 1 + 14 = 24 C = 42 = 2µF