Ouestion 1 (10%) The circuit shown in Fig. 1 is at steady state before t-0s. Determine...
1. Find Do(t) nd oolt) for t>0 in the network, assume the circuit was in steady state before t>0. 200 μF 24v (+ volt)
(2) The circuit is at steady state for t<0. Find v(t) for t>0. Answer t=0 ZF Navt)14 T
3. (25 pts) The circuit is at steady state before the switch closes. Determine the capacitor voltage, v(), for t> 0 2 Hin + )20 V 50 2 50 2
Problem 1 Assume that the circuit in Fig. 1 has reached steady state byt-0-. The switch is opened at t 0 1. Determine i(0+) and v(0+) dt 3. Find i(oo) and v(oo) 4. Write down i(t) for t>0 0.01F - 142 15 V 4? 1 H Figure 1
Find i(t) for t> 0 in the op amp circuit of Fig. P4. (u(t) is unit step function. It is 1 for t> 0 and 0 for t<0.) 1/6F It 3 Ω 212 + 2 u(t) V 1/6 F 10 Ω Figure P4
= For the circuit of Fig. 8.27, let io(t < 0) = -1 mA, 1,(t > 0) = 2 mA, R 2.000 Q, R = 3,000 12, and L = 20 mH. a. Find va for t > 0. b. What is the approximate duration of the transient? 6. Sketch va(t). FIGURE 8.27
The circuit shown has been in opera neration for a long time. At t=0, the source voltage suddenly jumps to s to 250V. Find vo(t) for t >0. 8KO 160 mH 50 V 10 nF ()
Question 4 Find i(t) for t >0 for the circuit below. 4Ω 12 V 5 H 3 A
For the circuit shown in Fig. 4.2, the switch has been closed for a long time and was open at t=0. For t >0, (a) Obtain the circuit in the s-domain (b) Determine the current 12(s) (c) Determine for iz(t). 16 H t=0 512 10 H 512 M + 5 V 8 H
Problem # 1: Consider the circuit of Fig. 1: a) If vc(0) 8 V and i,(t) 40 S(t) mA, find Vc(s) and vc(t) fort>0 b) If ve(0) 1 V and ) 0.2 e u(t) A, find Vc(s) and v(t) fort>0 Problem #2: The circuit in Fig. 2 is at steady-state before t-0. a) Find V(s) and v(t) for t>0 b) Find I(s) and i(t) for t>0 5 S2 10 - 10u(t) V 6 H v(t) i(t). 130 F Figure 1...