AC analysis practice problems
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Read the AC analysis (the impedance way) class notes.
For the circuit shown,
- R1 = 68 Ω
- R2 = 56 Ω
- C = 4.7 μF
- Vm = 21 V
- ω = 7 krad/sec

Use AC analysis to find the complex voltage across R2. Express the result in magnitude/phase form.