Three capacitors are connected as shown in the figure below. The total charge in the circuit is Qtot 1.5 x 10-10 C. (a) Show that the equivalent capacitance in the circuit is Ceq = 5 pF. (b) Deduce the potential difference across AB, AVAB (1 pF = 10-2 F) (c) Determine the charge Q4 stored in capacitor C4. A C = 4 pF C4 = 3 pF jp C= 1 pF C = 3 pF B