Determine the time constant of the circuit

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Reference no: EM13949194

1. Steady-state conditions exist in the circuit shown in Figure P5.27 for t 0. The switch is closed at t = 0. V1 = 12 V C = 0.47 μF R1 = 680 Q R2 = 2.2 kQ R3 = 1.8 kQ Determine the time constant of the circuit for t > 0.

2. Just before the switch is opened at t = 0 in Figure P5.21, the current through the inductor is 1.70 mA in the direction shown. VS = 12 V L = 0.9 mH R1 = 6 kQ R2 = 6 kQ R3 = 3 kQ Determine the time constant of the circuit for t > 0.

Reference no: EM13949194

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