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Control Systems

Control Systems
Based on relation between the arm impedances the filters can be categorized into how many types?

  2.
 4.
 Not classified at all.
 3.

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Control Systems
A transfer function has a zero at s = -1 and poles at s = -1 ± j1. The multiplier being unity, if the input is step function, the steady state response is given by

 0.5∠10°
 0.5∠0°
 2∠90°
 1∠0°

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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
A negative feedback closed loop control system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage?

 2.0 Volt.
 1.5 Volt.
  2.5 Volt.
  1.0 Volt.

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Control Systems
The transfer function of a system is 10/(1 + S) when operated as a unity feedback system, the steady state error to a unit step input will be

 10.
 ¾.
 Zero.
 1/11.

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Control Systems
The open loop transfer function of non unity negative feedback system is , then the number of root locus branches equal to

 0.
 1.
 2.
 3.

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