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Network TheoryResonance

A series RLC circuit has L = 10 mH and C = 10 microfarad. Its resonant frequency is closest to?

  • A50.3 Hz
  • B159 Hz
  • C503 Hz
  • D1.59 kHz
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Correct Answer: C. 503 Hz
Explanation: f0 = 1/(2πsqrt(LC)). With L=0.01 H and C=10^-5 F, f0 ≈ 503 Hz.
Reference: Standard network theory: resonance
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