7. ch4.1 - 4.7 9_22_10 X

# 7. ch4.1 - 4.7 9_22_10 X - GeorgeHaines,Instructor...

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BASIC ELECTRIC CIRCUITS BASIC ELECTRIC CIRCUITS George Haines, Instructor George Haines, Instructor Pima Community College Wednesday 9/22//2010 Chapters 4.1-4.3

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http://www.pearsonhighered.com/nilsson/ Video Example Solutions
Objectives Objectives 1. Understand and be able to use the node-voltage  method to solve a circuit. 2. Understand and be able to use the mesh-current  method to solve a circuit. 3. Be able to decide whether the node-voltage method  or the mesh-current method is the preferred  approach to solving a particular circuit. 4. Understand source transformation and be able to  use it to solve a circuit. 5. Understand the concept of Thevenin- and Norton- equivalent circuits and be able to construct both. 6. Know the condition for maximum power transfer to a  resistive load and be able to calculate the load  resistor value that satisfies this condition.

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4.1 Terminology 4.1 Terminology To discuss the more-involved methods  of circuit  analysis  we need to define a  few basis terms. So far, all circuits presented have  been  planer circuits. The Circuit of Fig. 4.1 (a) can be  redrawn as Fig 4.1 (b) which is  planer. Note that this can  not  be done for  Fig. 4.2 which is a nonplaner circuit. The node-voltage analysis is applicable  to planer and nonplaner circuits. Only planer circuits can be analyzed  by  the mesh-current analysis.

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Example 4.1 For the circuit shown, identify: a) all nodes b) all essential nodes c) all branches d) all essential branches e) all meshes f) two paths that are not loops or essential branches g) two loops that are not meshes
Figure 4.5

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