Control Systems
Which one of the following is the steady state error for a step input applied to a unity feedback system with the open loop transfer function G(s) = 10/(s²+14s+50)?

 infinite
 0
 0.83
 1

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Control Systems
When deriving the transfer function of linear element

 initial conditions are taken into account but the element is assumed to be not loaded.
 initial conditions are assumed to be zero and the element is assumed to be not loaded.
 initial conditions are assumed to be zero but loading is taken into account.
 both initial conditions and loading are taken into account.

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