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The voltage response of a network to a unit step input is Vo(s) = 10/s(s^2 + 8s + 16). The response is

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The voltage response of a network to a unit step input is Vo(s) = 10/s(s^2 + 8s + 16). The response is

(a) under damped

(b) over damped

(c) critically damped

(d) can’t be determined

I had been asked this question in an internship interview.

This interesting question is from Circuit analysis in S domain in division EDC Overview of Electronic Devices & Circuits

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Correct option is (c) critically damped

The best explanation: The characteristic equation has real and repeated roots (-4, -4). Hence it is critically damped.

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