Control Systems
Find the relation of damped natural frequency (ωd)

 (ωn) √(1-4ζ²)
 (ωn) √(1-1/ζ²)
 (ωn) √(1-ζ²)
 (ωn) √(1-2ζ²)

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Control Systems
What is the full form of SPICE ?

 Sequential program with integrated circuit analysis.
  Simulated program with integrated circuit analysis.
 Stimulated program with integrated circuit arrangement.
 None of these.

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