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Control Systems

Control Systems
The impulse response of the system described by the differential equation will be

 (1/3) × (1-e-3t).
 e6t.
 1/3.
 e-3t u(t).

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

 Resistor.
 Inductor.
 Capacitor.
 Both A and B.

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Control Systems
The transfer function of a system is given as below, if a = 0.1, then the steady state error to unity ramp input will be

 0.25.
 0.16.
 0.35.
 0.49.

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Control Systems
The transfer function of the system described by d²/dt²(y(t)) + 3d/dt(y(t)) + 2y(t) = 5u(t) with u(t) as input and y(t) as output is

 5/s(s²+3s+2)
 (s²+3s+2)/5
 s(s²+3s+2)/5
 5/(s²+3s+2)

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

 20.
 0.
 infinity.
 40.

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Control Systems
A second order under damped system has damping ratio of 0.3. Find the phase margin of the system?

 20°
 30°
 60°
 3°

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