Control Systems
The transfer function of a linear time invariant system is given as G(s) = 10/(s² + 10s + 10). The steady state value of the output of the system for step input applied at time instant t=2 sec will be

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 1
 0
 infinity

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Control Systems
For a transfer function H (s) = P(s) / Q(s), where P (s) and Q (s) are polynomials in s. Then

  degree of P (s) is independent of degree of Q (s).
 the degree of P (s) and Q (s) are same.
 maximum degree of P (s) and Q (s) differ at most by one.
 the degree of P (s) is always greater than the degree of Q (s).

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