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Introduction to Electric Circuits, 9th Edition by Richard C. Dorf, James A. Svoboda

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CHAPTER 5 images

Circuit Theorems

IN THIS CHAPTER

5.1 Introduction

5.2 Source Transformations

5.3 Superposition

5.4 Thévenin's Theorem

5.5 Norton's Equivalent Circuit

5.6 Maximum Power Transfer

5.7 Using MATLAB to Determine the Thévenin Equivalent Circuit

5.8 Using PSpice to Determine the Thévenin Equivalent Circuit

5.9 How Can We Check … ?

5.10 DESIGN EXAMPLE—Strain Gauge Bridge

5.11 Summary

Problems

PSpice Problems

Design Problems

5.1 Introduction

In this chapter, we consider five circuit theorems:

  • A source transformation allows us to replace a voltage source and series resistor by a current source and parallel resistor. Doing so does not change the element current or voltage of any other element of the circuit.
  • Superposition says that the response of a linear circuit to several inputs working together is equal to the sum of the responses to each of the inputs working separately.
  • Thévenin's theorem allows us to replace part of a circuit by a voltage source and series resistor. Doing so does not change the element current or voltage of any element in the rest of the circuit.
  • Norton's theorem allows us to replace part of a circuit by a current source and parallel resistor. Doing so does not change the element current or voltage of any element in the rest of the circuit.
  • The maximum power transfer theorem describes the condition under which one circuit transfers as much power as possible ...

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