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Control SystemsBode Plot

A single pole at the origin contributes what asymptotic slope to the Bode magnitude plot?

  • A+20 dB/decade
  • B-20 dB/decade
  • C-40 dB/decade
  • D0 dB/decade
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Correct Answer: B. -20 dB/decade
Explanation: An integrator 1/s contributes a -20 dB/decade magnitude slope.
Reference: Standard control systems: bode plot
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