need help understanding

A circuit consists of a 12.0-V battery, an uncharged 2-mF capacitor (with Q =0 Catt=0s),a6-Q resistor, wires (with negligibly small resistance), and an open switch. All of the circuit elements are connected in series. At t = 0 s the switch is closed. What is the charge, in mC, on the capacitor when the current through the resistor is 0.43 A? ect Question 19 A circuit consists of a 12.0-V battery, an uncharged 40-mF capacitor (with Q =0 Catt=0s5),a10-Q resistor, wires (with negligibly small resistance), and an open switch. All of the circuit elements are connected in series. At t = 0 s the switch is closed. When is the charge on the capacitor equal to 119 mC? Give your answer in ms. Question 20 0/2pts A circuit consists of a 12.0-V battery, an uncharged 10-mF capacitor (with Q =0 Catt=05),a6-Q resistor, wires (with negligibly small resistance), and an open switch. All of the circuit elements are connected in series. At t = 0 s the switch is closed. When is the current through the resistor equal to 0.11 A? Give your answer in milliseconds. Question 21 A circuit consists of a battery, an uncharged 10-mF capacitor (with Q =0 C att=0s),a5-Q resistor, wires (with negligibly small resistance), and an open switch. All of the circuit elements are connected in series. At t = O s the switch is closed. What is the voltage of the battery if the charge on the capacitor is 40 mC when the current through the resistoris 1 A? Question 21 A circuit consists of a battery, an uncharged 10-mF capacitor (with Q =0 C att=0s),a5-Q resistor, wires (with negligibly small resistance), and an open switch. All of the circuit elements are connected in series. At t = O s the switch is closed. What is the voltage of the battery if the charge on the capacitor is 40 mC when the current through the resistoris 1 A