Mesh current practice problems
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Read the mesh-current method class notes.
For the circuit shown,
- R1 = 2.7 kΩ
- R2 = 1.2 kΩ
- R3 = 8.2 kΩ
- R4 = 1.2 kΩ
- VS = 18 V
- IS = 3.9 mA

Use the mesh-current method to find the indicated currents, ia and ib.