In the circuit of the Figure, the switch S has been open for a long time. It is then suddenly closed. Given: R1 R2 C V (V) R₁ V (ΚΩ) | (ΚΩ) | (LF) 112 105 28.8 30.2 Determine the time constant (unit in second) before the switch is closed. S R₂ C

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