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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 L
 C and C
 L and C

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Control Systems
Negative feedback in a closed loop control system

 improves disturbance rejection.
All of these
 reduces gain.
 reduces sensitivity to parameter variation.

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Control Systems
What is the open loop DC gain of a unity feedback control system having closed loop transfer function as

 4/9
 13/4
 4/13
 9/4

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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

 -2,2
 -2,-2
 -2+j,-2-j
 -2,-1

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Control Systems
Poles and zeros are arranged alternatively on negative real axis, then type of network is/are

 Both 2 and 3.
 RC network.
 LC network.
 RL network.

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Control Systems
The characteristic equation has the following roots for over damped stable system?

 -2,-2
 -2,2
 -2,-4
 -2±j4

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