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The system in originally critically damped if the gain is doubled the system will be :

(a) Remains same

(b) Overdamped

(c) Under damped

(d) Undamped

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This interesting question is from Time Response of Second Order Systems in division Time Response Analysis, Design Specifications and Performance Indices of Control Systems

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Correct option is (c) Under damped

For explanation: hence due to this G lies between 0 and 1.

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