A general feedback system has an open loop gain of 200,000. If the system employs a negative feedback, the overall system now has a close loop gain of 50. (a) (i) Determine the new gain value of the system with feedback if the magnitude of the open loop gain is decreased by 15 percent, (ii) Relate your answer in Q1(a)(i) to the advantage of having a negative feedback in the system.

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(a)
A general feedback system has an open loop gain of 200,000. If the system
employs a negative feedback, the overall system now has a close loop gain of
50.
(i)
Determine the new gain value of the system with feedback if the
magnitude of the open loop gain is decreased by 15 percent,
(ii)
Relate your answer in Q1(a)(i) to the advantage of having a negative
feedback in the system.
Transcribed Image Text:(a) A general feedback system has an open loop gain of 200,000. If the system employs a negative feedback, the overall system now has a close loop gain of 50. (i) Determine the new gain value of the system with feedback if the magnitude of the open loop gain is decreased by 15 percent, (ii) Relate your answer in Q1(a)(i) to the advantage of having a negative feedback in the system.
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