Vo) LTE1:31A LIEI l 38%FundamentalsofElectricCi.100Chapter 3Methods of AnalysisBut I, = -i hence,iz = iz - 3i4(3Applying KVL in mesh 4,2i4 + 8(i4 - i) + 10 = 0orSi4 - 4iz = -5From Eqs. (3.7.1) to (3.7.4),i = -7.5 A,i, = -2.5 A,iz = 3.93 A,i, = 2,14:Practice Problem 3.7Use mesh analysis to determine i, i2, and iz in Fig. 3.25.Answer: i, = 3.474 A, iz = 0.4737 A, iz = 1.1052 A.3 206 V3 A († Nodal and Mesh Analysesby Inspection3.6Figure 3.25For Practice Prob. 3.7.This section presents a generalized procedure for nodal or meshsis. It is a shortcut approach based on mere inspection of a circuWhen all sources in a circuit are independent current sourcedo not need to apply KCL to each node to obtain the node-voequations as we did in Section 3.2. We can obtain the equationmere inspection of the circuit. As an example, let us reexamine thcuit in Fig. 3.2, shown again in Fig. 3.26(a) for convenience.circuit has two nonreference nodes and the node equationsderived in Section 3.2 asG2GG, + G2-G2-G2Observe that each of the diagonal terms is the sum of the conductconnected directly to node 1 or 2, while the off-diagonal terms arnegatives of the conductances connected between the nodes. Also,term on the right-hand side of Eq. (3.21) is the algebraic sum ocurrents entering the node,In general, if a circuit with independent current sources hasreference nodes, the node-voltage equations can be written in ternthe conductances as(a)RwwwwV2Gu G12 ...GINןט(b)G21 G22G2NU2Figure 3.26(a) The circuit in Fig. 3.2, (b) the circuitin Fig. 3,17.GNI GN2GNN -UNIN..3.6Nodal and Mesh Analyses by Inspectionor simplyGy = i(3.23)where

Answered: Image /qna-images/answer/1e7fc3a1-04d7-4d01-b7c5-a970dfb24968.jpg

Practice Problem 3.7 Use mesh analysis to determine i,, iz, and iz in Fig. 3.25. Answer: i, = 3.474 A, iz = 0.4737 A, iz = 1.1052 A. ЗА *Nodal and Mesh Analyses by Inspection 3.6 Figure 3.25 For Practice Prob. 3.7. This section presents a generalized procedure for nodal or mesh a It ic chortgut bacad or mara incnaation of ww-

Practice Problem 3.7 Use mesh analysis to determine i,, iz, and iz in Fig. 3.25. Answer: i, = 3.474 A, iz = 0.4737 A, iz = 1.1052 A. ЗА *Nodal and Mesh Analyses by Inspection 3.6 Figure 3.25 For Practice Prob. 3.7. This section presents a generalized procedure for nodal or mesh a It ic chortgut bacad or mara incnaation of ww-

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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