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Control Systems

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

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

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

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Control Systems
With regard to filtering property, the lead compensator is

 bandpass filter
 high pass filter
 band reject filter
 low pass filter

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Control Systems
Transient response is improved in case of

 lag network.
 both A and B.
 none of these.
 lead network.

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Control Systems
For the polynomial , number of roots which lie in the right half of s-plane is

 4
 3
 1
 2

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Control Systems
None of the poles of a linear control system lie in the right half of s plane. For a bounded input, the output of this system

  none of these.
  tends to zero.
  could be unbounded.
  always bounded.

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