Three capacitors each of capacitance C are connected in series as shown. Initially the switch S is open. Now capacitors are charged by a battery of emf $V_0$  by connecting across A and B. At  $t=0$ battery is disconnected and inductor of inductance L is connected between A and B. After then, switch S is closed at any further time  $t_0$. Based on all these informations, now answer the following questions.