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- 2 Determine vc(t) for t > 0. The voltage across the capacitor in Figure P5.32 just before the switch is changed is given below. vc(0-) = -7 V I, = 17 mA C = 0.55 µF R = 7 k2 R2 = 3.3 k2 t= 0 R2 R1 CVct)arrow_forward4 If the switch in the circuit shown in Figure P5.64 is closed at t = 0 and Vs = 12 V C = 130 µF R = 2.3 k2 R, = 7 k2 L= 30 mH determine the current through the inductor and the voltage across the capacitor and across Rị after the circuit has returned to a steady state. t= 0 R1 Vs R2arrow_forward8 For t > 0, the circuit shown in Figure P5.22 is at steady state. The switch is changed as shown at t = 0. Vsi = 35 V C = 11 µF Vsz = 130 V R = 17 k2 R = 7 k2 R = 23 k2 Determine the time constant of the circuit for t> 0.arrow_forward
- 7 Steady-state conditions exist in the circuit shown in Figure P5.27 at t < 0. The switch is closed at t = 0. V = 12 V R = 0.68 k2 R = 2.2 k2 R = 1.8 k2 C= 0.47 µF Determine the current through the capacitor at t = 0+, just after the switch is closed. ww. idt) R. t= 0 R1 Ry ww-arrow_forwardSolve for the node voltages shown in Figure P5.53. 10/0 (+ 10 2 +j20 2 15 n 1 Figure P5.53 000arrow_forwardAt 0-, no currrent flows through the capacitors because they are open, how did you combine the capacitors for the voltage divider since it is the capacitance value and not reactance, is it right? Can we just combine the capacitance value? Please explain. I did not understand..arrow_forward
- 9 At t 0.arrow_forward7 In the circuit shown in Figure P5.67, assume that DC steady-state conditions exist for t < 0. Determine at t = 0+, just after the switch is opened, the current through and voltage across the inductor and the capacitor and the current through Rs2. Vsi = 15 V Rsi = 130 2 V2 = 9 V Rs = 290 2 R = 1.1 k2 R2 = 700 2 L = 17 mH C = 0.35 µF t= 0 Rs1 R1 Vs1arrow_forwardFor t > 0, determine for what value of t v = 7.5 Vin the circuit of Figure P5.79 if the circuit is in steadystate at t = 0−.arrow_forward
- Given circuit below, use superposition to find voltage across the capacitor, vclt). Frequency is 100 Hz. 6kn 4kn reee zkn O SmA <45 Vc (t) DC a) Given circuit below and switch ciosed for long time, what is the value of Vc? 5mA 3 luk bị At0, switch is opened. Write a mathematical expression for Velt) after opening of the switch. Evaluate this voltage at te10 ms. Attach File Browse Local Fies rowie Conent Cotection 74°Farrow_forward2 At t < 0, the circuit shown in Figure P5.22 is at steady state. The switch is changed as shown at t = 0. Vsi = 35 V C = 11 µF Vsz = 130 V R = 17 k2 R2 = 7 k2 R = 23 k2 Determine at t = 0+ the initial current through R just after the switch is changed. 1= 0 R3 Vs1 Vs2arrow_forward3 If the switch in the circuit shown in Figure P5.63 is closed at t = 0 and Vs = 170 V Rs = 7 k2 R = 2.3 k2 R2 = 7 k2 L= 30 mH C = 130 µF determine, after the circuit has returned to a steady state, the currents through the inductor and the voltages across the capacitor and R1. Rs R2 Vs R1 wwarrow_forward
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