Source transformation practice problems
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Read the source-transformation class notes.
For the circuit shown,
- R1 = 3.3 kΩ
- R2 = 3.3 kΩ
- R3 = 8.2 kΩ
- R4 = 1.8 kΩ
- VS = 5 V
- IS = 6.1 mA

Use the source transformation method to find vR1.