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Control Systems

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

 C and C
 C and L
 L and C
 L and L

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Control Systems
Find the relation of damped natural frequency (ωd)

 (ωn) √(1-2ζ²)
 (ωn) √(1-1/ζ²)
 (ωn) √(1-4ζ²)
 (ωn) √(1-ζ²)

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

 3 dB
 6 dB
 18 dB
 12 dB

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Control Systems
The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to?

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

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Control Systems
Transfer function of a control system depends on

 initial conditions of input and output.
 nature of input.
 system parameters alone.
 nature of output.

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Control Systems
Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is

 1
 64
 16
 4

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