Control Systems
Time response for a second order system depends on the value of τ. If τ= 0 then the system is called as

  under damped system.
  undamped system.
  over damped system.
  critically damped system.

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Control Systems
In the integral control of the single area system frequency error is reduced to zero. Then

 integrator o/p increases but speed changer position comes down.
 integrator o/p decreases but speed changer position moves up.
  integrator output and speed changer position attain a constant value.
 integrator o/p decreases and speed changer position comes down.

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