3. Consider the following circuit. The switch is closed for a long time and then opened at time t = 0. 6 KQ 3 V 5 μF + 1 ΚΩ 6 V + 2 ΚΩ a. Find the current through the 2 k resistor and the voltage across the 5 μF capacitor right before the switch is opened, i.e., at time t = 0.

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Q: R1 a C1 R2 C2 b

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