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For the system shown gain with feedback is 200. Find feedback factor.(a) 0.41(b) 5(c) 0.0041(d) It can be any real numberThis question was posed to me by my college professor while I was bunking the class.My question is based upon Effects of Feedback topic in portion General and Feedback Amplifiers of Analog Circuits

Answer»

Correct OPTION is (c) 0.0041

Easy EXPLANATION: AF = A/1+Aβ

A = A1 x A2 = 1200

Thus 1 + Aβ = 1200/200 = 6

Aβ = 5

β = 5/A = 0.0041.



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