Automatic Control Systems - ECE Questions and Answers

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For a second order system damping factor is 0.1. If ω_d is frequency of damped oscillations and ω_n is natural frequency, then

ω_d ≈ ω_n

ω_n ≈ ω_n

ω_d ≈ (ω_n)²

Answer : Option A

Explanation :

ω_d = ω_n(1 - 0.1)² ⋍ ω_n

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