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Control Systems

Control Systems
For the polynomial , number of roots which lie in the right half of s-plane is

 3
 2
 1
 4

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Control Systems
Consider the function F(s) = ω/(s²+ω²). Where F(s) = Laplace transform of f(t). The final value of f(t) is equal to

 finite constant
 zero
 a value between -1 and +1
 infinite

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Control Systems
In frequency response analysis of second order system, the error at corner frequency is

 -20 log2ξ
 20 log2ξ
 -10 logξ
 10 logξ

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Control Systems
Slope of asymptote in Bode plot of 2nd order system is _____________________ per octave.

 18 dB
 6 dB
 12 dB
 3 dB

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Control Systems
Lead network is used to

 improve steady state response.
 both A and C.
 improve transient response.
 increase bandwidth.

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Control Systems
In force-current analogy, electrical analogous quantity for displacement (x) is

 flux.
 capacitance.
 voltage.
 inductance.

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