
Q1) (15 pts) use superposition to find Vx in the circuit below neN enin op-amp 2k 2K 12m 1k 12V Ik 12 V y22 220 122
For the circuit shown below, let B = 100 and VBE = 0.7 V. (a) Find VTH and RTH for the base circuit. (b) Determine Ica and VCEQ + 5V +15V 500 ΚΩ 50 ΚΩ + 3V 500 ΚΩ 70 ΚΩ 5 ΚΩ 1. 5V .5V
Using Thevenin's method to find Vx in the circuit below: -120 80 60 40 220 v z o 100 520A
3) Using Nodal analysis technique find Vx in the circuit shown below 10 V 20 2 5Ω Vi V2 V3 9 A 10Ω 4) Using superposition theorem find lx for the circuit shown below: 10Ω 30 V+ 10 2 5 S2 -6 A
4. Find vx(t) in the time domain in the following circuit. (12 points) 0.005 F 100 0.1 H Mmm 100 cos 40 v v (0) 40 cos (401 - 30) V 0.2 H 50 5. Find I in the circuit below using nodal analysis. Hint: Reduce the number of nodes first. (10 points) 6 12/0v +-20 3/10A 6/o v
In the circuit below, v1 = -8 V and i1 = 3.5 A. Use mesh analysis to find Vx and ix
(b) For the circuit shown below, let B = 100 and VBE = 0.7 V. (a) Find VTH and RTH for the base circuit. (b) Determine Ice and VCEO (..; + 5V +15V 500 ΚΩ 50 ΚΩ + 3V 500 ΚΩ 70 ΚΩ 5 ΚΩ 1.5V - 5V
3. For the circuit shown in Fig. 3, find Vx so that the current through the 400 D resistor is oA. (Hint: if the current goes through the 400 resistor is OA, then V V) (In the lab, we will use the DC sweep function of LTspice to find the voltage value Vx by sweeping Vx.) 200 Ω 0.0004 V 400 Ω 600 1 3 mA Figure 3.
2. Consider the resistive circuit below. 6V 133 + 15V R3 lc R1 80 V 4A R4 5V D 100 a. Find Vx, Vy, lA, IB, lc, ID, and le. b. Find the power for each of the sources, using the passive sign convention Do any of the sources dissipate power?
B. In the circuit in Figure -3, find the value of I, and v [4 Marks] In 4k22 3 mv 3 mV i 501, 20k1226 Figure 3 B. In the circuit shown at Figure -6, find the value of Vx due to the 5 A source. [2 marks) 100 a) 40 V b) 50 V c) 15 V d) 22 V = 12v $400 Figure 6