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Fundamentals of Electric Circuit Analysis, by Clayton Paul

Figure 3.1 Illustration of (a) replacing a deactivated voltage source with a shortcircuit, and (b) replacing a deactivated current source with an open circuit.


Figure 3.2Illustration of the application of the principle of superposition.


Figure 3.3Example 3.1.


Figure E3.1Exercise Problem 3.1.






Figure 3.5Illustration of theThevenin equivalentcircuit: (a) separatinga circuit into twoparts, (b) writing theυ–i relation at theterminals of the linearpart, and (c)representing thelinear part with theThevenin equivalentcircuit.


Figure 3.6 Illustration of the computation of (a) the open-circuit voltage VOC and(b) the Thevenin resistance RTH.






Figure 3.9 Illustration of the Norton equivalent circuit: (a) separating a circuit intotwo parts, (b) the Norton equivalent circuit, and (c) computing the short-circuit current ISC.






Figure 3.12The Wheatstonebridge: Example 3.7.


Figure 3.13Representation of the general source–load configuration in simplified form.






Figure 3.15 Illustration of the node-voltage method: (a) a general circuit,(b) definition of the node voltages, and (c) labeling of the original circuit with thenode voltages.




















Figure 3.21Illustrations of the concept of a mesh.


Figure 3.22Illustration of thedefinition ofmesh currents.


Figure 3.23An example ofwriting the mesh-current equations.








Figure 3.26Example of writingmesh-currentequations forcircuits that containcurrent sources.














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