) You and your lab partner are working with the circuit shown in the figure. The switch S is initially open and the capacitor voltage is 80 V. You 22 coordinate with your partner so that the switch is then closed at time to = 0. (a) What is the charge on the capacitor when the current in the resistor is 30 PA? 15 MO (b) You allow the capacitor to completely discharge and then open the switch. You connect a 45V power source series with the capacitor and the resistor. This time, due to a miscommunication with your partner, the switch is closed time to = 3s. How long does it take for the capacitor to reach 70% of its maximum charge? ) You and your lab partner are working with the circuit shown in the figure. The switch S is initially open and the capacitor voltage is 80 V. You 22 coordinate with your partner so that the switch is then closed at time to = 0. (a) What is the charge on the capacitor when the current in the resistor is 30 PA? 15 MO (b) You allow the capacitor to completely discharge and then open the switch. You connect a 45V power source series with the capacitor and the resistor. This time, due to a miscommunication with your partner, the switch is closed time to = 3s. How long does it take for the capacitor to reach 70% of its maximum charge?