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Equivalent Circuit

Definition - What does Equivalent Circuit mean?

An equivalent circuit is a type of electrical circuit that is a simplified representation of a more complex electrical circuit. An equivalent circuit can take a complex circuit with many different sources of voltages, currents and resistances and have these sources combined using proper methods to make it less complex and more easily comprehended.

Corrosionpedia explains Equivalent Circuit

Taking a complex electrical circuit and replacing it with an equivalent circuit is an excellent option when trying to analyze the overall circuit. It is important, however, to have sound knowledge of electrical circuits and know what can and cannot be simplified, as well as how to simplify it. It is necessary to know when items such as voltage, current and resistance can be added together and when they cannot.

An equivalent circuit can be very beneficial so long as the terminal properties end up being the same as the original, more complicated circuit.

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