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A control system with excessive noise, is likely to suffer from

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A control system with excessive noise, is likely to suffer from

(a) Saturation in amplifying stages

(b) Loss of gain

(c) Vibrations

(d) Oscillations

I got this question during an internship interview.

The origin of the question is Control of the Effects of Disturbance Signals by Use of Feedback in chapter Feedback Characteristics of Control Systems of Control Systems

1 Answer

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Correct choice is (a) Saturation in amplifying stages

Easiest explanation: Noise is defined as the unwnated output due to the input and this is due to the excessive bandwidth and control system with excessive noise is likely to suufer from saturation in amplifying stages.

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