in Control Systems recategorized by
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The number and direction of encirclements around the point $-1+j0$ in the complex plane by the Nyquist plot of $G(s)=\frac{1-s}{4+2s}$ is

  1. zero.
  2. one,anti-clockwise.
  3. one, clockwise.
  4. two, clockwise.
in Control Systems recategorized by
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