Chapter 7

Solving One Problem at a Time Using Superposition

In This Chapter

Describing the superposition method

Taking care of sources one at a time

Getting a handle on analyzing a circuit with two independent sources

Solving a circuit with three independent sources

The method of circuit analysis known as superposition can be your best friend when you’re faced with circuits that have lots of voltage and current sources. Superposition allows you to break down complex linear circuits composed of multiple independent sources into simpler circuits that have just one independent source. The total output, then, is the algebraic sum of individual outputs from each independent source. In this chapter, I show you just how superposition works. I also walk you through focusing on a single independent source when you have multiple sources in a circuit and using super-position to analyze circuits with two or three independent sources.

Discovering How Superposition Works

Superposition states that the output (or response) in any device of a linear circuit having two or more independent sources ...

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