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Series and parallel combinations

EE 201series/ parallel combinations 1 Series and parallel combinationsOne of the simplest and most useful things we can do in a circuit is to reduce the complexity by combining similar elements that have Series or parallel connections. Resistors, voltage sources, and current sources can all be combined and replaced with equivalents in the right circumstances. We start with resistors. In many situations, we can reduce complex resistor networks down to a few, or even a single, equivalent resistance. As always, the exact approach depends on what we want to know about the circuit , but resistor reduction is a tool that we will use over and + VSiS1 k k 330 470 1 k To set the stage, consider the circuit at right.

EE 201 series/parallel combinations – 12 Breaking down networks using series and parallel R 3 R 4 R 5 R eq R 2 But not all circuits are simple R 1 combinations of series or parallel resistors. The initial example circuit clearly has some things that are in series and some elements that have a parallel-type connection.

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