Question: Once the circuit has reached a steady state ( a long time after the switch was initially closed ) , the switch is reopened. Immediately

Once the circuit has reached a steady state (a long time after the switch was initially closed), the switch is reopened. Immediately after the switch is reopened, what is the value of the current through R2? After the switch is reopened, how much time does it take for the current in R2 to reach approximately 37% of its initial value? Justify your answers.
Once the circuit has reached a steady state ( a

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