Chapter 7.3, Problem 7.25E

K Q4/ For the unity-feedback system where G(s) = do the following: a. Plot the Nyquist diagram. (S+2)(S+4)(S+6) b. Use your Nyquist diagram to find the range of gain, K, for stability

Q6/ Answer (two) of the following question A For the following G(s), find analytical expressions for the magnitude and phase response and make a plot of the logmagnitude and the phase, using log-frequency in rad/s as the ordinate. G(S)=- 1 (S+2)(S+4)

Q5 Given the system of Figure below, with dominant poles -5.415 t/10.57. design a PID controller so that the system can operate with a peak time that is two-thirds that of the uncompensated system at 20% overshoot to get and with zero steady-state error for a step input and KV= 5.7163sec and final K=4.6. R(s) + E(s) K(s + 8) (s+3)(x+6)(s + 10) C(s)

".I need the correct answers with explanations" Answer True or False, then correct errors or explain if any: 1. The term pole in filter terminology refers to the feedback circuit. 2, A voltage shunt feedback with Ai-10, A-20, p 0.45, then Aif will be 1. 3. The integrator Op-Amp circuit can be used to produce square waves. 4. The equivalent circuit of the crystal oscillator is series and parallel (R, C) components. 5. The transistor in a class A power amplifier conducts for the entire input cycle. 6. Bypass capacitors in an amplifier determine the low and high-frequency responses. 7. The midrange voltage gain of an amplifier is 100. The input RC circuit has a lower critical frequency of 1 kHz. The actual voltage gain at f-100 Hz is 100. 8. The Bessel filter types produce almost ripple frequency response. 9. RC phase shift oscillators are based on both positive and negative feedback circuits. 10. In a high-pass filter, the roll-off region occurs above the critical frequency.

".I need the correct answers with explanations" Answer True or False and correct errors if found: Marks) 1. The LC oscillator circuits are used to operate in low and moderate frequencies. 2. The voltage series feedback can increase both input and output impedances. 3. A two-pole Sallen-Key high-pass filter contains one capacitor and two resistors. 4. The main feature of a crystal oscillator is the high frequency operation that operates with optoelectronic effect. 5. The max. efficiency of the class B power amplifier is 50%. 6. The Q-point must be centered on the load line for maximum class AB output signal swing. 7. The differentiator Op-Amp can convert the triangle waveform into sinewave. 8. Class AB power amplifier eliminates crossover distortion found in pure class A. 9. RC-phase shift oscillators are based on positive feedback circuits. 10. Bypass capacitors in an amplifier determine the low and high-frequency responses.

K Q2/A For the system G(s)= H(s)=1 9 (s+5)(s+2 )(s+5) a. Draw the Bode log-magnitude and phase plots. b. Find the range of K for stability from your Bode plots. c. Evaluate gain margia, phase margin, zero dB frequency, and 180° frequency from your Bode plots for K = 10,000.

Please solve this question step by step handwritten solution and do not use ai or chat gpt please

".I need the correct answers with explanations" Q1: What is the orientation of voltage regulation value (positive or negative) of alternator loaded by capacitive load? Explain the effect of armature reaction on voltage regulation for this load? Draw the load characteristics of alternator for capacitive, inductive, and inductive loads? Q2: A 2000 kVA,2200 V, 60 Hz,Y-connected alternator has a resistance of 0.25 between each pair of terminal. A field current of 80 A produces a short circuit current equal to full load current in each line. The same field current produces an e.m.f of 800 V(L-L) on open circuit .Determine the full load voltage regulation of alternator at unity p.f?

12. If the length of a transmission line increases, its inductance is B. decreases C. Constant D. None of them A. increases 13. When the regulation is negative, then receiving end voltage (VR) is.......... than sending and voltage (VS). B. More C. Equal A. Less D. None of the them 10. If the spacing between the conductors is decrease, the inductance of the line will be: A. Increase B. decreases C. Not effected D. Non of them 6. Cables have more effective in... A. Inductance B. Capacitance than over head transmission lines C. Resistance D. All of the abov 7. By which of the following methods string efficiency can be equa! 100% A. Using a guard ring B. Equal insulator voltage C. Using long cross arm D.Non of them Power system Prove answer