3.19 Use nodal analysis to find v 1, U2, and v3 in the circuit of Fig. 3.68. ML 3A 2Ω 4Ω www v3 8Ω 5 A 12 V 2. Hi

3.4 Mesh Analysis Find U₁, U2, and U3 in the circuit of Fig. 3.14 using nodal analysis. Answer: v₁ = 3.043 V, U₂ = -6.956 V, V3 = 0.6522 V. 3.4 Mesh Analysis Mesh analysis provides another general procedure for analyzing cir- Practice Problem 3.4 252 10 V 692 P2 www Hi 492 Si www 93 302

Find the Thevenin resistance of the circuit?

3.30 Using nodal analysis, find vo and I, in the circuit of Fig. 3.79. 100 V 102 10 www Figure 3.79 For Prob. 3.30. 40 Ω www 20 Ω www 4% 120 V + 210 80 Ω ww να T

Find the Thevenin's equivalent circuit for the portions of the networks of figure below at points a and b. 60 N 25 N 4.7 kN 10 V R2 R 47 kfN R3 3.9 kfN 18 mA 15 V 30 Ω 10 V R 2.7 kN 180 V (I) (II)

For the circuit shown in Fig. 3.91, find the current iz resistor by using Thevenin's theorem. in the 2 V₁ 202 12 TEF 4V₁ 5 V 202