RLC Circuits and Resonance

A 6.8 kΩ resistor, a 7 mH coil, and a 0.02 µF capacitor are in parallel across a 17 kHz ac source. The coil’s internal resistance, RW, is 30 Ω. The equivalent parallel resistance, Rp(eq), is_____.

  • A. 1,878 Ω
  • B. 18,780 Ω
  • C. 18,750 Ω
  • D. 626 Ω
Answer: Option B.
Explanation: 

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