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Network TheorySecond-Order Circuits

A series RLC circuit has R=4 ohm and L=1 H. Its damping factor alpha is?

  • A1 rad/s
  • B2 rad/s
  • C4 rad/s
  • D8 rad/s
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Correct Answer: B. 2 rad/s
Explanation: For a series RLC circuit, alpha=R/(2L)=4/(2×1)=2 rad/s.
Reference: Standard network theory: damping factor numerical
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