Answered: Q1. Choose the correct answer 1. Which…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Hello, please solve this question , Greetings Q1. Choose the correct answer 1. Which among the following is not an advantage of an open loop system? a. Simplicity in construction & design b. Easy maintenance c. Rare problems of stability d. Requirement of system recalibration from time to time 2. Which notation represents the feedback path in closed loop system representation? a. b(t) b. c(t) c. e(t) d. r(t) 3. Which among the following represents an illustration of closed loop system? a. Automatic washing machine b. Automatic electric iron c. Bread toaster d. Electric hand drier 4. Transfer function of the system is defined as the ratio of Laplace output to Laplace input considering initial conditions________ a) 1 b) 2 c) 0 d) infinite Feedback can always reduce the effects of noise and disturbance on system performance? a) True b) False 6. Which among the following is not an advantage of an open loop system? a. Simplicity in construction & design b. Easy maintenance c. Rare problems of stability d. Requirement of system recalibration from time to time 7. Match the following notations with their meanings: G(s) ——— - 1) Laplace of error signal H(s) ——— - 2) Laplace of output signal. C(s) ——— - 3) Forward transfer function. E(s) ——— - 4) Feedback transfer function a. A- 2, B- 3, C- 1, D- 4 b. A- 3, B- 4, C- 2, D- 1 c. A- 2, B- 3, C- 4, D- 1 d. A- 1, B- 2, C- 3, D- 4 8. The output of a feedback control system must be a function of a. reference and output b. reference and input c. input and feedback signal d. output and feedback signal 10. For open control system which of the following statements is incorrect? a. Less expensive b. Recalibration is not required for maintaining the required quality of the output c. Construction is simple and maintenance easy d. Errors are caused by disturbances 11.the closed loop system is. a. Autopilot for an aircraft b. Direct current generator c. Car starter d. Electric switch 12. In regenerating the feedback, the transfer function is given by a. C(s)/R(s)=G(s)/1+G(s)H(s) b. C(s)/R(s)=G(s)H(s)/1-G(s)H(s) c. C(s)/R(s)=G(s)/1+G(s)H(s) d. C(s)/R(s)=G(s)/1-G(s)H(s) Q2. Determine the output C due to inputs R, U1 and U2 using the Superposition Method Q3. Consider a system with the mathematical model given by the following differential equation. Find the transfer function of the system. Q4. Consider the following control system , find the transfer function E(s)/ R(s)

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