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

For the circuit shown,

• R₁ = 3.9 kΩ
• R₂ = 1 kΩ
• R₃ = 4.7 kΩ
• R₄ = 3.3 kΩ
• V_S = 13 V
• I_S = 9.4 mA

Use the source transformation method to find i_R1.

Answer