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Question

If the damping ratio is equal to 1, a second-order system is _________

a.

having maginary roots of the characteristic equation

b.

underdamped

c.

critically damped with unequal roots

d.

critically damped with equal roots

Answer: (d).critically damped with equal roots

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Q. If the damping ratio is equal to 1, a second-order system is _________

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