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Network TheorySecond-Order Circuits

For the same RLC circuit with L = 0.1 H and C = 100 microfarad, the undamped natural angular frequency omega0 = 1/sqrt(LC) is?

  • A100 rad/s
  • B316.2 rad/s
  • C1000 rad/s
  • D3162 rad/s
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Correct Answer: B. 316.2 rad/s
Explanation: LC=0.1×100×10^-6=10^-5, so omega0=1/sqrt(10^-5)≈316.2 rad/s.
Reference: Standard network theory: second-order circuits
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