Thevenin & Norton practice problems
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Read the Thevenin-Norton class notes.

For the circuit shown,

• R₁ = 82 Ω
• R₂ = 22 Ω
• R₃ = 82 Ω
• R₄ = 68 Ω
• V_S = 9 V
• β = 4.5

Find the Thevenin equivalent of the circuit at the port defined by the nodes a and b.

(Recall that the "short-cut" method cannot be used to find equivalent resistance when the circuit has dependent sources.)

Answer