Due to which of the following reasons excessive band width in control systems should be avoided?(a) It leads to slow speed of response(b) It leads to low relative stability(c) Noise is proportional to bandwidth(d) Presence of feedbackI got this question in an interview for job.I'm obligated to ask this question of Linear Approximation of the Non-Linear System in portion Control System and Components of Control Systems

Due to which of the following reasons excessive band width in control

1.	Due to which of the following reasons excessive band width in control systems should be avoided?(a) It leads to slow speed of response(b) It leads to low relative stability(c) Noise is proportional to bandwidth(d) Presence of feedbackI got this question in an interview for job.I'm obligated to ask this question of Linear Approximation of the Non-Linear System in portion Control System and Components of Control Systems
Answer» The correct choice is (C) NOISE is proportional to bandwidth To explain I would say: EXCESSIVE Bandwidth CAUSES INCREASES in the noise with the same proportion as the bandwidth and hence noise is not good for any signal therefore the excessive bandwidth is not desirable.

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