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

For the circuit shown,

• R₁ = 270 kΩ
• R₂ = 330 kΩ
• R₃ = 220 kΩ
• R₄ = 330 kΩ
• V_S = 12 V

Use the source transformation method to find i_R3.

Answer