Q:

Which of the following statements about negative feedback control systems is incorrect

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 Which of the following statements aboutnegative feedback control systems is incorrect?


  1. Output is one of the inputs to the system
  2. It is based on a ‘set-point’ for the controlled variable
  3. The system corrects “errors”
  4. The ‘set point’ of the system cannot be changed by inputs other than the controlled variable

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D. The ‘set point’ of the system cannot be changed by inputs other than the controlled variable

 

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