Source transformation practice problems
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Read the source-transformation class notes.

For the circuit shown,

• R₁ = 22 kΩ
• R₂ = 27 kΩ
• R₃ = 18 kΩ
• R₄ = 22 kΩ
• I_S = 0.85 mA

Use the source transformation method to find v_R4.

Answer