The Following Section consists of Multiple Choice Questions on RC Circuits. A basic RC integrator circuit is simply a capacitor in series with a resistor and the source. Determine output voltage of analog multiplier provided with two input signal Vx and Vy.a) Vo = (Vx ×Vx) / Vyb) Vo = (Vx ×Vy / Vrefc) Vo = (Vy ×Vy) / Vxd) Vo = (Vx ×Vy) / Vref2Answer: bExplanation: The output is the product of two inputs divided by a reference voltage in analog multiplier. B. The circuit in which the output voltage waveform is the integral of the input voltage waveform is called a) Integrator b) Differentiator c) Phase shift oscillator d) Square wave generator Answer: a Explanation: Integrator circuit produces the output voltage waveform as the integral of the input voltage waveform. Input 1- Either positive or negative, Input 2- Either positive or negative, 9. Physics I Mcqs 1; Physics I Mcqs 2; Semester 3. analysis-of-multiple-choice-questions-mcqs-item-and 2/89 Downloaded from www.get10things.com on January 12, 2021 by guest transform, ac power, ac power analysis, amplifier & operational amplifier circuits, analysis method, applications of Laplace transform, basic concepts, basic laws, capacitors and … a. Analytic b. Parabolic c. Transfer d. Hypothetical. Sinusoids and Phasors MCQs: 14 Multiple Choice Questions. The Important series of Operational Amplifier Applications MCQs ( Linear Integrated Circuits ) Mcqs are given below: 1. B. a movement to a customs union reduces the costs of trade through standardization economic integration results in a C. economic integration results in a movement in product origin to a lower cost member country D. economic integration results in a shift in product origin from a lower-cost, nonmember country to a member country having higher costs circuits-theory-objective-questions-with-answers 2/36 Downloaded from womenindigitalenterprise.com on December 27, 2020 by guest "Electronic Devices Multiple Choice Questions and Answers" pdf to download is a revision guide with a You know what you want. The following quizzes are from Integration and its applications at intermediate level (A-Level). Electrical Engineering MCQ questions and answers especially for the Electrical Engineer and who preparing for GATE Exam. The Lag Compensator is an electrical network which produces a sinusoidal output having the phase lag when a sinusoidal input is applied. A capacitor of 0.5 F is initially charged to 1 volt and is subjected to discharge at t = 0 across a LR series circuit where 1 = 1 H; R = 2 Ω. That said, an RC circuit isn't an integrator, but a low-pass filter. Check the below NCERT MCQ Questions for Class 11 Biology Chapter 22 Chemical Coordination and Integration with Answers Pdf free download. Download latest MCQs for Class 12 Indefinite and Definite Integrals in pdf free To get higher input resistance in AC coupled voltage follower,a) The output resistance is bootstrappedb) The input resistance is bootstrappedc) The bias resistance is bootstrappedd) The feedback resistance is bootstrappedAnswer: cExplanation: Bias resistor connected to ground to provide path in an AC coupled voltage follower, drastically reduces the input resistance of the circuit. For this reason, practical integrator is called as a lossy integrator.8. Share. Satish Kashyap 12,383 views. Regulation of body functions B. This set of Linear Integrated Circuit Multiple Choice Questions & Answers ( Let us see the Incremental Model Solved MCQs and Questions Answers. Determine the output voltage for the given circuita) VO = Vref/(10-k’vi)b) VO = Vref+(10-k’vi)c) VO = Vref×(10-k’vi)d) VO = Vref-(10-k’vi)Answer: cExplanation: The output voltage of an antilog amp is given as, VO = Vref (10-k’vi)Where k’ = 0.4343 (q/kt)×[(RTC/ (R2 +RTC)].8. Assume Vref = 9.67v.a) 2.86vb) 1.27vc) 10vd) 4.3vAnswer: bExplanation: The output voltage of a squarer circuit, Vo = Vi2 / Vref = (3.5)2 / 9.67v = 1.27v.7. Multiple Choice Questions and Answers on Op-Amp ( Operational Amplifier ) In addition to reading the questions and answers on my site, I would suggest you to … ANSWER: (b) Reduces. Differentiation amplifier producesa) Output waveform as integration of input waveformb) Input waveform as integration of output waveformc) Output waveform as derivative of input waveformd) Input waveform as derivative of output waveformAnswer: cExplanation: Differentiation amplifier or differentiator is a circuit that performs mathematical operation of differentiation and produce output waveform as a derivative of input waveform.2. 65k watch mins. 7. The two are similar, but not identical. Find R1 and RF in the lossy integrator so that the peak gain and the gain down from its peak is 40db to 6db. Select the order in which the frequency should be maintained to enhance the stability of differentiator? 26 december 2016 Basic electronic past papers Quiz; 12 july 2016 Basic electronic past papers Quiz; 15 june 2015 Basic electronic past papers Quiz; Floyd book Mcqs. Why a resistor is shunted across the feedback capacitor in the practical integrator?a) To reduce operating frequencyb) To enhance low frequency gainc) To enhance error voltaged) To reduce error voltageAnswer: dExplanation: The input current charging the feedback capacitor produces error voltage at the output of the integrator. Chapter 26. 1. The Mcqs having specific numbers in any written test. Find the output waveform for an input of 5kHz.Answer: aExplanation: The output voltage of integrator, Vo = (1/R1×CF)×t∫0 Vindt+C = -[(1/10kΩ×10nF) 0.1ms∫01dt ]= -(104×0.1×10-3) = -1v.The input is constant amplitude of 2v from 0 to 0.1ms and from 0.1ms to 0.2ms. Electrical engineering Mcqs for Preparation of Job Test and interview, freshers, Students, competitive exams etc. Abhinav Tripathi. Get Exclusive Latest Opportunities That I Only Share With Email Subscribers. fsc part 2 math mcqs solved,fsc part 2 math Unit 3 Integration test,fsc part 2 math Unit 3 Integration mcqs,fsc part 2 math chapter 3,fsc part 2 chapter wise test,part 2 fsc math online test,fsc part 2 math solved exercises,math fsc part 2 objective, X. Share. "Basic Concepts MCQs" pdf covers quiz questions about applications, charge and current, circuit elements, power and … Co-ordination results in A. 8. The dc term can be easily removed by using a 1µF coupling capacitor between load and output terminal of the doubler circuit.5. Where fa -> Frequency at which gain =0 ; fb -> Gain limit frequency ; fc -> Unity gain bandwidth.a) fa < fb < fcb) fa > fb > fcc) fb < fc > fad) fb < fc < faAnswer: aExplanation: The value of internal resistor and capacitor and feedback resistor and capacitor of the differentiator values should be selected such that fa < fb < fc to make the circuit more stable.9. Core System Integrator (CSI) is an integrated system designed to augment the service delivery efficiency of the post offices that provides for centralized data and applications management and indicates the transition from a local server to Central server-based operations that includes Counter Operations, Delivery Operations, Financial activities, and Human Resource Management. ANSWER: (c) Transfer Biology is the study of life. Where Av is the gain of op-amp. What happens if the input frequency is kept lower than the frequency at which the gain is zero?a) Circuit act like a perfect integratorb) Circuit act like an inverting amplifierc) Circuit act like a voltage followerd) Circuit act like a differentiatorAnswer: bExplanation: If the input frequency is lower that the lower frequency limit of the integrator (i.e. The current i(t) for t> 0 is. Integrator – 1. Problem 5: CE Board November 1995. Free PDF Download of CBSE Maths Multiple Choice Questions for Class 12 with Answers Chapter 7 Integrals. Maths MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. 1. D. zero. Q1. Mcqs. a) 1-iii, 2-i, 3-iib) 1-i, 2-ii, 3-iiic) 1-ii, 2-iii, 1-id) 1-iii, 2-ii, 3-iAnswer: aExplanation: The mentioned answer gives the exact ranges where the integration starts. A process of changing the shape of any waveform is called waveshaping.The wave shaping process is possible with the help of elements such as resistors, capacitors, inductors, diodes and transistors etc. Let’s get into the details. Find out AC-coupled voltage follower?Answer: bExplanation: An AC coupled voltage follower consists of coupling capacitor at the input of non-inverting terminal.7. The following quizzes are from Integration and its applications at intermediate level (A-Level). Find the output voltage of the integratora) Vo = (1/R×CF)×t∫0 Vindt+Cb) Vo = (R/CF)×t∫0 Vindt+Cc) Vo = (CF/R)×t∫0 Vindt+Cd) Vo = (R×CF)×t∫0 Vindt+CAnswer: aExplanation: The output voltage is directly proportional to the negative integral of the input voltage and inversely proportional to the time constant RCF.Vo = (1/R×CF)×t∫0 Vindt+CWhere C-> Integration constant and CF-> Feedback capacitor.3. Study Control Systems objective questions and answers, Quiz & MCQ to crack any interviews, competitive exams and entrance tests. A. Hydra B. How to choose an op-amp when working with high input source resistance?a) Op-amp with low bias currentb) Op-amp with higher slew ratec) Buffer or voltage followerd) All of the mentionedAnswer: dExplanation: When the op-amp is driven by a high input source resistance, the output and input voltage will not be equal due to error at the input. Next It is therefore everyone have to learn / remember the related Operational Amplifier Applications MCQs ( Linear Integrated Circuits ) Mcqs. The basic purpose of these shaping circuits are to change the shape of any input pulse according to the time period at output. As wise people believe “Perfect Practice make a Man Perfect”. RC filters, RC circuits, integrators and differentiators. 1. Free PDF Download of CBSE Maths Multiple Choice Questions for Class 12 with Answers Chapter 7 Integrals. Integrals Class 12 […] The frequency at which gain is 0db is fb= 1/(2π RF×CF). Semester 1. Integration Multiple Choice Questions (MCQs) Page-1. 12.2k 2 2 gold badges 28 28 silver badges 64 64 bronze badges \$\endgroup\$ Chapter 30. This test is Rated positive by 91% students preparing for Electrical Engineering (EE).This MCQ test is related to Electrical Engineering (EE) syllabus, prepared by … Op Amp Short Questions & Answers for competitive exams. Thus, the expected output is triangular wave.8. (D) 2. Sinusoidal Steady State Analysis MCQs: 45 Multiple Choice Questions. Integrator RC merupakan jaringan RC seri terhubung yang membentuk frekuwensi hasil yg sesuai dengan proses integrasi matematika. Input 1- Positive, Input 2 – Positive, iii. (C) 4. What will be the output voltage waveform for the circuit, R1×CF=1s and input is a step voltage. RCC Structures Design MCQ question is the important chapter for a Civil Engineering and GATE students. 9. Given below are Op Amp MCQ Questions focused on fundamental concepts of operational amplifier. Internal resistor in series with internal capacitor and2. Polyphase Circuits MCQs: 41 Multiple Choice Questions. Find the circuit that is used to compress the dynamic range of a signal?Answer: aExplanation: Log amps are used to compress the dynamic range of a signal. The most occurred mcqs of Operational Amplifier Applications MCQs ( Linear Integrated Circuits ) in past papers. (A) 3. 2. Coupling Capacitor. In Laplace domain, the given circuit can be drawn as shown below. Hearth Hearth. Find the divider circuit configuration given belowAnswer: aExplanation: Division is the complement of multiplication. Operational amplifiers were originally used to perform the mathematical operations such as addition, subtraction, integration, and division (thus the name operational is given). The upper cutoff frequency of an RC coupled amplifier mainly depends upon. Basic Electronic. Semester 1. (Where f –> Input frequency and f, i. By continuing, I agree that I am at least 13 years old and have read and agree to the. Page: 1 | 2. As long as Vx < Vref and Vy < Vref, the output of multiplier will not saturate. The output for each of these half periods will be ramp. ANSWERS: INTEGRATION MCQS 1. What is the disadvantage of log-antilog multiplier?a) Provides four quadrant multiplication onlyb) Provides one quadrant multiplication onlyc) Provides two and four quadrant multiplication onlyd) Provides one, two and four quadrant multiplication onlyAnswer: bExplanation: Log amplifier requires the input and reference voltage to be of the same polarity. Integration Multiple Choice Questions (MCQs) Page-1. B. maximum. Determine the lower frequency limit of integration for the circuit given below.a) 43.43kHzb) 4.82kHzc) 429.9kHzd) 4.6MHzAnswer: bExplanation: The lower frequency limit of integration, f= 1/(2πRFCF) = 1/(2π×1kΩ×33nF) = 4.82kHz. By practicing these MCQs of Capacitance and Capacitors MCQs ( Electrical Engineering ) MCQs – Latest Competitive MCQs , an individual for exams performs better than before.This post comprising of objective questions and answers related to “Capacitance and Capacitors MCQs ( Electrical Engineering ) Mcqs “. The maximum speed of nerve impulse transmission is A. To compensate for noise voltage b. Maths MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. A 15 Ω resistor, an inductor with 8 Ω inductive reactance, and a capacitor with 12 Ω capacitive reactance are in parallel across an ac voltage source. 100 m/sec B. Find answers and solutions to the questions at the bottom of the page. reset + A - A; About the book. It Will Be Helpful For Students Writing JEE MAINS/KCET/COMEDK. If the inputs Vx = Vsinωt and Vy = Vsin(ωt+θ) are applied to a four quadrant multiplier?a) Vo= { Vx×Vy× [cosθ-(cosθ×cos2ωt)+(sinθ×sin2ωt)]}/ Vrefb) Vo= { Vx×Vy× [cosθ-(cosθ×cos2ωt)+(sinθ×sin2ωt)]}/ 2c) Vo= { Vx×Vy× [cosθ-(cosθ×cos2ωt)+(sinθ×sin2ωt)]}/(2×Vref)d) Vo= – { Vx×Vy× [cosθ-(cosθ×cos2ωt)+(sinθ×sin2ωt)]}/(2×Vref)Answer: cExplanation: The output of frequency doubler, Vo= (Vx×Vy)/Vref = [(Vsinωt +Vsin(ωt+θ)]/ Vref= {Vx×Vy×[(sin2ωt×cosθ)+(sinθ×sinωt×cosωt)]}/ Vref=> Vo= { Vx×Vy× [cosθ-(cosθ×cos2ωt)+(sinθ×sin2ωt)]}/(2×Vref).4. Integral Calculus MCQs for JEE-Main - Definite Integral MCQ Practice Sheet with Answer Keys - Total 20 Questions in this Definite Integral MCQ Practice Sheet. Which of the following functions does the antilog computation required to perform continuously with log-amps?a) In(x)b) log(x)c) Sinh(x)d) All of the mentionedAnswer: dExplanation: Log-amp can easily perform function such as In(x), Log(x), Sinh(x) to have direct dB display on digital voltmeter and spectrum analyser.2. Assume ω=20,000 rad/s and capacitance = 0.47µF.a) R1 = 10.6Ω, RF = 106Ωb) R1 = 21.2Ω, RF = 212.6Ωc) R1 = 42.4Ω, RF = 424Ωd) R1 = 29.8Ω, RF = 298ΩAnswer: bExplanation: The gain of the lossy integration is A=(RF/ R1)/√[1+(ωRFCF)]2=> A(db) = 20log{(RF/R1)/√[1+(ωRFCF)]2}=> 40db = 20log×[(RF/R1)/√1=> R1 = RF/20.At ω=20000rad/s, the gain is down by 6db from its peak of 20db and thus is 14db. 1. Calculate the base voltage of Q2 transistor in the log-amp using two op-amps?a) 8.7vb) 5.3vc) 3.3vd) 6.2vAnswer: cExplanation: The base voltage of Q2 transistor, VB = [RTC / (R2 +RTC)]×(Vi) = [10kΩ/(5kΩ+10kΩ)]×5v =3.33v. These objective type questions are very important for competitive exams like IIT-JEE, GATE, CAT etc. 1.incremental model passes through the ___________phases each interaction a.communication and modeling b.planning and construction c. Therefore, to reduce error voltages a resistor (RF) is connected across the feedback capacitor. Understand the concept clearly by consistently practicing the Multiple Choice Questions and score well […] Below, You will find a list of Biology MCQ Questions as per the latest prescribed syllabus. a) 1-ii, 2-i, 3-iiib) 1-ii, 2-ii, 3-iic) 1-iii, 2-I, 3-iid) 1-I, 2-iii, 3-iAnswer: aExplanation: If both inputs are positive, the IC is said to be a one quadrant multiplier. Second Order Circuits MCQs: 9 Multiple Choice Questions. Figure 25.1: A basic integrator using an op-amp As you can see the constant that multiplies the integral is -1/RC. Electrical Engineering MCQ1 Voltage Gain and BW of Ideal Op Amp MCQ2 The output impedance of ideal op-amp […] Find the input current for the circuit given below.a) IZ = 0.5372mAb) IZ = 1.581mAc) IZ = 2.436mAd) IZ =9.347mAAnswer: bExplanation: Input current, IZ = -(Vx×Vo)/(Vref×R) = -(4.79v×16.5v)/(10×5kΩ) = 1.581mA.10. Learn RCC Structures Design MCQ questions & answers are available for a Civil Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Mcqs are the necessary part of any competitive / job related exams. Find the bias current from the given circuita) 30mAb) 3mAc) 0.30mAd) 0.03mAAnswer: cExplanation: The bias current is given as Iin =Vin/Rin = 3v/10kΩ.Where, Iin= Ib =0.3mA.3. So, the divider can be accomplished by placing the multiplier circuit element in the op-amp feedback loop.9. The gain at 14db => 14db= 20log ×{[ (RF/ RF/20)] / [√(1+(200000×0.47×10-6×RF)2]}=> 20log[1+(9.4×10-3×RF)2] = 20-14=> RF = √3/9.4×10-3 = 212.26Ω and R1 = 212.26Ω/10 = 21.2Ω.4. Examtime Quiz app for Android! The poles of the impedance Z(s) for the network shown in figure below will be real and coincident if, The impedance Z(s) of the given network is, In the complex frequency S= σ + jω, ω has the unit of radian/sec and σ has the unit of, A system is described by the transfer function  The value of its step response at a very large time will be close to, At a certain current, the energy stored in iron cored coil is 1000 J and its copper loss is 2000 W. The time constant (in second) of the coil is, A ramp voltage vi(t) = 100t V is applied to a differentiator circuit with R = 5 kΩ and C=4μF.The maximum output voltage is, Maximum output voltage of RC differentiator  circuit  =, The Laplace transform of the waveform below is, v(t) = u ( t - 2) - u ( t - 3) + u ( t - 6) - u ( t - 7), The initial and final values of  are given by, The Laplace transform of the ramp function shown below is, The equation of the given ramp function is, The poles and zeros of the transfer function   for the circuit shown below are located at. Organization of body functions C. Integration of ... Read more Coordination and Control MCQs A sine wave of 1vpeak at 1000Hz is applied to a differentiator with the following specification: RF =1kΩ and C1=0.33µF, find the output waveform?Answer: aExplanation: Given, Vin = Vp×sinωt = sin(2π×1000)tThe output of differentiator Vo = -RF×C1×(dVin/dt) =(1kΩ)×(0.33µF)×d[sin2π×1000t]/dt= -3.3×10-4×2π×1000 ×[cos2π(1000)t] =-2.07×[cos2π(1000)t].11. A two quadrant multiplier function properly, if one input is held positive and the other is allowed to swing. Compute the output of frequency doubler. amplifier, integrator & differentiator circuits, inverting circuits, low pass filters, non-inverting circuits, operational amplifiers, summing circuits, and voltage follower. An email ID A laptop Stable internet connection How … By practicing these MCQs of Operational Amplifier Applications MCQs ( Linear Integrated Circuits ) MCQs – Latest Competitive MCQs , an individual for exams performs better than before. Follow answered Dec 29 '20 at 20:55. 1. The Important series of 555 Timer MCQs ( Linear Integrated Circuits ) Mcqs are given below: 555 Timer as a Monostable Multivibrator. Tab this page to check “Operational Amplifier Applications MCQs ( Linear Integrated Circuits )” for the preparation of competitive mcqs, FPSC mcqs, PPSC mcqs, SPSC mcqs, KPPSC mcqs, AJKPSC mcqs, BPSC mcqs, NTS mcqs, PTS mcqs, OTS mcqs, Atomic Energy mcqs, Pak Army mcqs, Pak Navy mcqs, CTS mcqs, ETEA mcqs and others. Enhances b. Find the output voltage of the log-amp?a) 6.314(kT/q)vb) 0.597(kT/q)vc) 0.405(kT/q)vd) 1.214(kT/q)vAnswer: cExplanation: The output voltage of saturation current and temperature compensation log-amp, VO = (kT/q)×ln(Vi / Vref) =(kT/q)×ln(6v/4v) =(kT/q)×ln(1.5)VO = 0.405(kT/q)v.6. The output is taken across the capacitor. Improve this answer. 0.0203. 1. Find the range of frequency between which the circuit act as integrator?a) [1/(2πRFCF)]– (2πR1CF)b) (2πRFCF) – [1/(2πR1CF)].c) [1/(2πRFCF)]- [1/(2πR1CF)].d) None of the mentionedAnswer: cExplanation:For a practical integrator, the gain limiting frequency is fa= 1/(2πRF CF). Results in 99% accuracy in integration, Linear Integrated Circuits MCQs – Operational Amplifier Applications, Aga Khan Education Service Gilgit Baltistan Jobs 2021 Latest – educativz, University of Peshawar Admissions 2021 in M.A, M.Sc, M.Com, MBA, MPA Latest – educativz, Goethe Institute Karachi Admissions 2021 Latest – educativz, Federal Urdu University Islamabad Admissions 2021 Latest – educativz, Chief Executive Officer Jobs 2021 in IESCO Islamabad Latest – educativz, Public Health Engineering Division Bahawalpur Jobs 2021 for Supervisors Latest, Interview Schedule 2021 of Livestock Department baluchistan Advertisement No. Integrator. T ≥ RF×C1Given f=5kHz , T=1/f = 1/5kHz = 2×10-4 –> Equ(1)RF×C1 = 0.4µF×1.6kΩ =7.52×10-4 –> Equ(2)Hence Equ(1) ≥ Equ(2).12. long questions & short questions for Electrical Engineering (EE) on EduRev as well by searching above. This restricts log-antilog multiplier to one quadrant operation.4. Answered - [high-pass, high-pass] [low-pass, low-pass] [high-pass, low pass] [low-pass, high-pass] are the options of mcq question An RL integrator can act as a _____ filter and an RC differentiator can act as a _____ filter realted topics , Inductors, Electronics topics with 0 Attempts, 0 % Average Score, 2 Topic Tagged and 0 People Bookmarked this question which was asked on Nov 25, 2018 15:20 This provides a close match of the saturation currents and ensures good thermal tracking.5. _____ multivibrator is a square wave oscillator. Assume that the op-amp is initially nulled.a) Triangular functionb) Unit step functionc) Ramp functiond) Square functionAnswer: cExplanation: Input voltage Vin = 1.2v for 0≤t≤0.4ms. This post comprising of objective questions and answers related to “Operational Amplifier Applications MCQs ( Linear Integrated Circuits ) Mcqs “. of Pharmaceutical Sciences, Nagpur University, Nagpur. At what condition the input signal of the integrator is integrated properlya) T = RFCFb) T ≤ RFCFc) T ≥ RFCFd) T ≠ RFCFAnswer: cExplanation: The input signal will be integrated properly, if the time period T of the signal is larger than or equal to RF×CF (Feedback resistor and capacitor).7. The fundamental log amp circuit consists of a grounded base transistor in the feedback path.3. This video shows how a simple RC circuit can act as an integrator, that is carry out the mathematical operation of integration. Physics I Mcqs 1; Physics I Mcqs 2; Semester 3. Integration is a summing process, and a basic integrator can produce an output that is a running sum of the input under certain conditions. These are most commonly used. Similarly, for a four quadrant multiplier both the inputs are allowed to swing.3. a. 21. Practising these problems will encourage students to grasp the concept better. What must be done to block the ac input voltage riding on a dc level?a) Use RC networkb) Use coupling capacitorc) Use resistive transducerd) None of the mentionedAnswer: bExplanation: In order to block the dc level a coupling capacitor must be used in series with the input of the voltage follower.5. "Analysis Method MCQs" pdf covers quiz questions about branch current method, maximum power … Integration IV. Two Port Networks MCQs: 45 Multiple Choice Questions. This section discusses about the op-amp based integrator. This contains 10 Multiple Choice Questions for Electrical Engineering (EE) First Order RL And RC Circuits - 1 (mcq) to study with solutions a complete question bank. How to Use a Breadboard - Duration: 12:21. Why practical integrator is called as lossy integrator?a) Dissipation powerb) Provide stabilizationc) Changes inputd) None of the mentionedAnswer: dExplanation: To avoid saturation problems, the feedback capacitor is shunted by a feedback resistance(RF). The increase in the input frequency of the differentiation amplifier to input impedance createsa) Component noiseb) External noisec) Low frequency noised) High frequency noiseAnswer: dExplanation: The input impedance of the amplifier decreases with increase in frequency and make the circuit susceptible to high frequency noise such that noise can completely over ride differential output.6. Electrical Engineering (EE) Figure 25.2 shows the output produced when several input functions are applied at the input terminal of an integrator. Multiple choice questions here are on topics such as Electrical Machines, Power Electronics, Electrical measurement & units, Utilization of Electrical Energy, Basic Electrical Engineering, Electrical Installation, Power Systems, Testing & maintenance of electrical equipment’s etc. Find the output voltage of the log-amplifiera) VO = -(kT)×ln(Vi/Vref)b) VO = -(kT/q)×ln(Vi/Vref)c) VO = -(kT/q)×ln(Vref/Vi)d) VO = (kT/q)×ln(Vi/Vref)Answer: bExplanation: the output voltage is proportional to the logarithm of input voltage.VO =-(kT/q)×ln(Vi / Vref).4. The frequency at which gain is 0db for integrator isa) f=1/(2πRFCF)b) f=1/(2πR1CF)c) f=1/(2πR1R1)d) f=(1/2π)×(RF/R1)Answer: bExplanation: The frequency at which the gain of the integrator becomes zero is f=1/(2πR1CF).7. So, effective time constant of the op-amp integrator becomes very large which results in perfect integration.5. D. 0.0543 Latest Electrical Engineering MCQs. Chapter 27. 110 m/sec C. 120m/sec D. 130 m/sec 22. This makes the circuit unstable.5. Multiple Choice Questions on RL Circuits . Dimensional analysis. Express the output voltage equation of divider circuita) Vo= -(Vref/2)×(Vz/Vx)b) Vo= -(2×Vref)×(Vz/Vx)c) Vo= -(Vref)×(Vz/Vx)d) Vo= -Vref2×(Vz/Vx)Answer: cExplanation: The output voltage of the divider, Vo= -Vref×(Vz/Vx).Where Vz –> dividend and Vx –> divisor.8. Complex numbers. 1. Study of DC-AC Measuring Instruments (Part - 1), Chapter 2 Thyristor - Notes, Power Electronics, Electrical Engineering, Introduction to Single Phase Transformers, Chapter 1 (Part 1) AC Bridges - Notes, Electrical Measurement, Electrical Engineering, Test: Series Circuits And Parallel Networks, Test: Zeroth Order And First Order Reactions. (Take Vref= 12v).a) θ = 1.019b) θ = 30.626c) θ = 13.87d) θ = 45.667Answer: aExplanation: Vo= [Vmx×Vmy /(2×Vref)] ×cosθ=> (Vo×2×Vref)/ (Vmx × Vmy) = cosθ=> cosθ = (10×2×12)/(2×4) = 30.=> θ = cos-130 =1.019.7. 47) Laplace transform of an impulse response is regarded as _____function of the system. 1. i. 46) If a signal is passed through an integrator, it _____the amplitude of noise signal. Feedback capacitor shunts with feedback resistor.8. The Following Section consists Multiple Choice Questions on Time Response of Reactive Circuits. The op-amp operating in open loop result in output of the amplifier to saturate at a voltagea) Close to op-amp positive power supplyb) Close to op-amp negative power supplyc) Close to op-amp positive or negative power supplyd) None of the mentionedAnswer: cExplanation: In practice, the output of op-amp never becomes infinite rather the output of the op-amp saturate at a voltage close to op-amp positive or negative power supply depending on the polarity of the input dc signal.6. A remedy to this problem is an op-amp with low input bias current and high slew rate should be chosen as a voltage follower.4. Determine the transfer function for the practical differentiatora) Vo(s) /V1(s) = -S×RF×C1/(1+R1×C1)2b) Vo(s) /V1(s) = -S×RF×C1/(1+RF×C1)2c) Vo(s) /V1(s) = -S×RF×C1/(1+R1×CF)2d) None of the mentionedAnswer: aExplanation: The transfer function for the circuit,Vo(s) /V1(s) =-S×RF×C1/{[1+(RF CF)]×[1+(S×R1×C1)]}.In a practical differentiator, RFCF = R1C1=> Vo(s) /V1(s) = -SRF×C1/(1+SRF×CF)2 or Vo(s) /V1’(s) = -S×RF×C1/(1+R1×C1)2. At series resonance, the impedance of a crystal is. Reduces c. Stabilizes d. Factorizes. Untuk rangkaian integrator RC pasif, input terhubung ke hambatan ad interim tegangan output diambil berdasarkan kapasitor menjadi kebalikan berdasarkan Rangkaian Diferensiator RC. students definitely take this First Order RL And RC Circuits - 1 exercise for a better result in the exam. 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