Mesh current practice problems
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Read the mesh-current method class notes.

For the circuit shown,

• R₁ = 1 Ω
• R₂ = 8.2 Ω
• R₃ = 6.8 Ω
• R₄ = 5.6 Ω
• I_S1 = 1.2 A
• I_S2 = 3.2 A

Use the mesh-current method to find the indicated current i_a.

Answer