A 9 mH coil is in parallel with a 0.015 µF capacitor across an 18 kHz ac source. The coil's internal resistance RW, is 60 Ω. The circuit impedance is
A. 17,340 Ω
B. 1,734 Ω
C. 290 Ω
D. 1,018 Ω
Answer: Option A
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