find the thevenin equivalent circuit for the network external to the resistor r
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12:06 O
Science 5 points Ⓡ
In the previous three tutorials we have looked at solving complex electrical circuits using Kirchhoff's Circuit Laws, Mesh Analysis and finally Nodal Analysis. But there are many more "Circuit Analysis Theorems" available to choose from which can calculate the currents and voltages at any point in a circuit. In this tutorial we will look at one of the more common circuit analysis theorems (next to Kirchhoff's) that has been developed, Thevenin's Theorem.
Thevenin's Theorem states that "Any linear circuit containing several voltages and resistances can be replaced by just one single voltage in series with a single resistance connected across the load". In other words, it is possible to simplify any electrical circuit, no matter how complex, to an equivalent two-terminal circuit with just a single constant voltage source in series with a resistance (or impedance) connected to a load as shown below.
Thevenin's Theorem is especially useful in the circuit analysis of power or battery systems and other interconnected resistive circuits where it will have an
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