2) Assuming the switch initially has been open for a really, really long time (a) obtain...
The switch A in the circuit has been open for a long time.
Calculate the voltage u_2(t) after the switch is closed at t=0. The
capacitor C_1 has a initial voltage of u_1=100 V at t<0.
Capacitor C_2 lacks initial energy.
Rz = 200 kN2 R2 = 120 k12 + + C
AP 7.8 The switch in the circuit have been open for a long time. The initial charge on the capacitor is 0. At t=0, switch is closed. Find the expression for i(t), v(t) for t> 0+. 0.1 µF X1%3D0% i(1) 7.5 mA( v(t) 20 k2 30 kn
1. In the circuit to the right, the switch has been open for a long time before it is closed at time t-0 a) Find an expression for the current in the inductor as a function of time, showing the direction clearly. b) Find an expression for the current supplied by the battery as a function of time. 2R
1. For the circuit below, the switch has been open for a long time and is then closed at t=0. a. Make an accurate sketch of the voltage on R3 versus time, labeling key values. (18 pts) b. Given that the time constant for this circuit is 80 ms, give the value of the voltage on R3 at t = 20 ms. (7 pts) Switch R 1 k 2 20 V R, 31 ΚΩ CE 100 UF R3 3 ΚΩ
The switch in the following circuit has been open for a long time and is closed at t=0. Find the constants A, B, a, ß and w in the expression of the current il(t) through the inductor L fort > 0. Is = 3A IL (t) = Aeat + Beßt coswt A Vil(t) ŽR=150 L=15 H Cap t= 0 < (Limit your answer to 3 decimal places) (5 Marks) (5 Marks) (5 Marks) (5 Marks) (5 Marks) 0 3
After the switch in the circuit of Fig. P 7.35 has been open for a long time, it is closed at t=0. Calculate (a) the initial value of i; (b) the final value of i; (c) the time constant for t≥0; and (d) the numerical expression for i(t) when t≥0.
The switch in the circuit shown has been closed for a long time and is opened at t = 0. Find a) The initial value of v(t), b) The time constant for t>0. c) The numerical expression for v(t) after the switch has been opened, d) The initial energy stored in the capacitor, and e) The length of time required to dissipate 75% of the initially stored energy.
In the following circuit, the switch that had been OPEN for a
sufficient time was shorted at t=0 In this case, the voltage v(t)
at both ends of the capacitor and the current i(t) at the injector
are obtained.
1) What is the Capacitor voltage v (0-) value and inductor
current i (0-) value at t=0- just before t=0-
2) If sufficient time has passed since switching occurred,
what is the value of v(00) and i(00) when t=oo?
3) In...
The switch has been open for a long time before being closed at t = 0. Find the initial value i (0) and the time constant of the RL circuit for t>O. 212 240 Xt=0 381 0.4 H 4. The switch has been closed for a long time and is opened at t = 0. Find (a) i (0) and i (0*); 102 50 2 (b) i(t) fort >0; (c) (t) at t = 5 ms. 100 V + 3...
The switch S in the circuit shown below has been open for a long time when, at time t = 0, it is closed. The values of the circuit elements are: V = 12 V, R_1 = 110 Ohm, R_2 = 220 Ohm, R_3 = 330 Ohm C_1 = 40 muF and c_2 = 80 muF What is Q_2finai, the charge on C_2 a long time after