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Network TheorySecond-Order Circuits

For s^2 + 6s + 25 = 0, the damping ratio zeta is?

  • A0.3
  • B0.6
  • C1.2
  • D5
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Correct Answer: B. 0.6
Explanation: 2 zeta omega_n=6 and omega_n=5, so zeta=6/(2×5)=0.6.
Reference: Standard network theory: second-order circuits
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