PLEASE SOLVE ALL QUESTIONS Using the substitution s = iw, obtain expressions for AR and phase shift for the following cases for a frequency response analysis. Sketch using asymptotic analysis. a. Gp =...

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Extracted text: PLEASE SOLVE ALL QUESTIONS Using the substitution s = iw, obtain expressions for AR and phase shift for the following cases for a frequency response analysis. Sketch using asymptotic analysis. a. Gp = K (pure gain system) b. Gp = K(1 + 5s) (first order lead system) c. Gp = K (1 + s)/(1+ 2s) (lead lag system) 5e-8s d. Gp1 Gp2 (15s+1)' = e-8s; Gp3 = (FOPDT) (15s+1) 5e-3s е. Gp1 (SOPDT) (15s+1)²