Control Systems
If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied?

 a > b, p < q
 a < b, p >q
 a > b, p > q
 a < b, p < q

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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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