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Control Systems

Control Systems
In the cauer-2 form of LC network---------is series element and --------is shunt element respectively?

 L and L
 C and C
 L and C
 C and L

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Control Systems
Certain control system has input u(t) and output c(t). If the input is first passed through a block having transfer function e-s and unit gain is applied to the applied to the system. The modified output will be

 c(t-1).u(t)
 c(t-1).u(t-1)
 c(t)u(t)
 c(t).u(t-1)

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Control Systems
The open loop transfer function of a unity feedback system is given by G(s) = 1/(s+2)². The closed loop transfer function will have poles at

 -2+j,-2-j
 -2,-1
 -2,-2
 -2,2

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Control Systems
The poles of the second order system are at -3 ± j4. The damping ratio of the system is

 3/5
 3/7
 3/4
 4/5

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Control Systems
The closed loop transfer function of a unity feedback control system is 9/(s² + 3s + 9), then the type of the system is

 3
 2
 0
 1

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Control Systems
Transient state analysis depends on which of the following?

 both 1 and 2
 type of system
 nether 1 nor 2
 order of system

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