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Control SystemsSteady-State Error

A unity-feedback system has G(s)=10/(s+2). Its Kp is?

  • A2
  • B5
  • C10
  • D20
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Correct Answer: B. 5
Explanation: Kp=lim(s→0)10/(s+2)=10/2=5.
Reference: Standard control systems: steady-state error
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