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Electric Circuits 8th Edition 137

Electric Circuits 8th Edition 137 - NV 4.8 T h ode...

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4.8 Th€ Node Voltase Method Versus th€ l,lesh Current Method . Does the circuit contain supermeshes? If so, using the mesh-current method will p€rmit you to reduce the number of equations to be solved, . Will solving some portion of the c cuit give the requested solution? If so, which method is most efficient for solving just the pertinent portion of the circuit? Perhaps the most important obse ation is that, for any situation, some time spent thinking aboutthe problem in relation to the various analytical apprcaches available is time well spent. Examples 4.6 and 4.7 ilustrate the process ol deciding between the node-voltage and mesh-curent methods Understanding the Node-Vottage Method Versus Mesh-Current l{ethod Find the powei dissipaled in the 300 O resistor in the circuit showl in Fig.4.29. dependent voltage source between two essentral nodes, we have to sum the currents at only two nodes.Hence the prcblem is reduced to writing two node-voltage equations and a constraint equation.
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