The parameters of all elements in the circuit shown below are given: R1 = 13.6 kΩ, R2 = 2.3 kΩ, R3 = 4.2 kΩ, C = 3.92 μF, and ε = 5.7 V (the internal resistance of the battery is negligible). The capacitor in this circuit is not charged when, at time t = 0, the switch S 1 is closed. Then, at time t = 47.28 ms, the switch S 2 is closed. What is the charge Q(t) on the capacitor at time t = 63.33 ms: Q(t) = μC. What is the current I2(t) in resistor R2 at time t = 63.33 ms: I2(t) = mA
