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Thevenin Equivalent for a circuit containing a dependent source. Determine the Thevenin voltage V Th. + V Th . I. 20 I. Determine the Thevenin resistance R Th.
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ECE 201 Circuit Theory I
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VTh

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20 I
ECE 201 Circuit Theory I
Deactivate the independent voltage source and excite the circuit from the ab terminals with either a voltage or current source. Here, use a voltage source – then we will know the dependent voltage and dependent current.
ECE 201 Circuit Theory I
IT
Apply voltage VT and determine the current IT.
The Thevenin Resistance will be RTh = VT / IT.
ECE 201 Circuit Theory I
IT
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20 I
ECE 201 Circuit Theory I
ECE 201 Circuit Theory I