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Control Systems

Control Systems
First Foster form of a LC network represents which element in the beginning?

 Inductor.
 Capacitor.
 Both A and B.
 Resistor.

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Control Systems
The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become

 zero
 0.707
 infinite
 unity

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Control Systems
For type 1 system with parabolic input, the steady state error is

 finite constant.
 infinite.
 indeterminate.
 zero.

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Control Systems
For a unity feedback control system open loop transfer function then velocity error constant is

 infinity.
 50.
 0.
 10.

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Control Systems
For a unity feedback control system open loop transfer function then acceleration error constant is

 infinity.
 50.
 0.
 20.

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Control Systems
The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the final value?

 1
 3/5
 0
 1/4

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