24. An operational amplifier is a _______ gain and ________ bandwidth differential amplifier. 10. What is the difference voltage if the inputs are an ideal opposite signal? and mathematically differentiates the average of the voltages on the two input lines. Leave a Reply Cancel reply. Op Amp Multiple Choice Questions & Answers for competitive exams. Calculate the input voltage if R1 = 100 Ω, Rf = 1 kΩ, and Vout = 550 mV. This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “Ideal Operational Amplifier”. Operational Amplifiers MCQ Test. Based on the methods of providing input and taking output, differential amplifiers can have four different configurations as below. When both input signals are the same, a common signal element due to the two inputs can be defined as the ________ of the two signals. What is a differential amplifier? 395mV. Multiple Choice Questions and Answers on Transistor Tuned Amplifiers. 2. 1. and differentiates the … At what input voltage level does the output voltage level become numerically equal to the value of the differential gain of the amplifier? V 0 is the output voltage; V 1 and V 2 are the input voltages; A d is the gain of the amplifier (i.e. This circuit is an example of a ________. Verilog programs. a. CMMR=80dB. These objective type questions are very important for competitive exams like IIT-JEE, GATE, CAT etc. When a differential amplifier is operated single-ended, ………… the output is grounded one input is grounded and signal is applied to the other both inputs are connected together the output is not inverted Answer : 2 Q3. A ________ differential amplifier is particularly well suited for battery operation due to its low power consumption. What is the open-loop gain of an op-amp at the gain-bandwidth product of the op-amp? Determine the output from the following circuit a) 180 o in phase with input signal b) 180 o out of phase with input signal c) Same as that of input signal d) Output signal cannot be determined View Answer The differential gain times the input signal. Also provides professionals with materials for their lectures and practice exams. 795mV. the difference of voltages between the two input lines. 1.The differential amplifier consists of 2.When the output of the differential amplifier is measured at one of the collector terminal with respect to ground, it is called as 3.Which of the following parameter should be equal for transistors in the differential amplifiers? The ________ amplifier is the most widely used constant-gain amplifier circuit. View differential amplifier (MCQs).txt from ECE MISC at University of Baghdad. Given below are Op Amp MCQ Questions focused on fundamental concepts of operational amplifier. 9. Subscribe to our mailing list and get interesting stuff and updates to your email inbox. Calculate the output impedance of an inverting op-amp using the 741 op-amp (ro = 75 Ω, AOL = 200 V/mV) if R1 = 100 Ω and Rf = 1 kΩ. A differential amplifier …………….. is a part of an Op-amp has one input and one output has two outputs answers (1) and (2) Answer : 4 Q 2. A. the input offset voltage and input offset current, C. both the input offset voltage and the closed-loop gain. Maths MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. An amplifier using an opamp with slew rate SR=1v/sec has a gain of 40db.If this amplifier has to faithfully amplify sinusoidal signals from dc to 20KHz without introducing any slew-rate induced distortion, then the input signal level exceed. 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. The input impedance of a differential amplifier equals r’e times_____? 7. 17. a. R C R C R E V 2 t V EE V CC V 1 (a) Increases both the differential and common-mode gains. BJT Circuits (MCQs of Moderate Complexity) 1. The voltage gain of a loaded differential amp is (A) Large than the unloaded voltage gain (B) Equal to Rc/ re (C) Smaller than the unloaded voltage gain OP Amp MCQ question is the important chapter for a Electrical Engineering and GATE students. A. ß B. An operational amplifier has a _______ input impedance and a _______ output impedance. 26. 23dB ... PakMcqs.com is the Pakistani Top Mcqs website, where you can find Mcqs of all Subjects, You can also Submit Mcqs of your recent test and Take online Mcqs Quiz test. 15. An IC unit containing a differential amplifier built using opposite-type MOSFET transistors is referred to as a ________ circuit. 8. An ideal op-amp circuit has ________input impedance, ________ output impedance, and ________ voltage gain. Monolithic ICs are a. 26. 14. 12. A. outputs from both output terminals, which have opposite polarities, B. outputs from both output terminals, which have the same polarities, C. a single output from one of the output terminals. RE C. RC D. 2ß. What is the scale multiplier (factor) of a basic integrator? 11. Differential amplifier amplifies the difference between two voltages, making this type of operational amplifier circuit a sub tractor unlike a summing amplifier which adds or sums together the input voltages. 12. c. The common-mode gain times twice the input signal. b. 11. P c. Both an input offset voltage, VIO and an input offset current, IIO. 0. The input impedance of a differential amplifier equals r’e times_____? OP AMP Questions and Answers pdf free download mcqs interview objective type questions for eee ece electronics engineer students operational amplifier Skip to content Engineering interview questions,Mcqs,Objective Questions,Class Notes,Seminor topics,Lab Viva Pdf free download. b. An input applied to either input terminal will result in _________. The amplifier voltage gain is a more stable and precise value. we respect your privacy and take protecting it seriously, Multiple Choice Questions in Electronic Devices and Circuit Theory, Pinoybix Elex is officially on Google Play | First of …, Complete List of Reviewers to Pass Engineering Board Exam, MCQ in Machine Design and Shop Practice Part 6 | …, MCQ in Mechanical Engineering Law and Code of Ethics Part …, MCQ in Refrigeration Engineering Part 7 | ME Board Exam, Boylestad: MCQ in Other Two-Terminal Devices, Boylestad: MCQ in Power Supplies (Voltage Regulators), Boylestad: MCQ in Feedback and Oscillator Circuits, Boylestad: MCQ in BJT and FET Frequency Response, Boylestad: MCQ in Field Effect Transistor Amplifiers, Boylestad: MCQ in Field Effect Transistor Devices, Boylestad: MCQ in Bipolar Junction Transistor Amplifiers, Boylestad: MCQ in Bipolar Junction Transistors, MCQ in BiFET, BiMOS, and CMOS Differential Amplifier circuit, MCQ in Op-Amp Specifications—DC Offset Parameters, MCQ in Op-Amp Specifications—Frequency Parameters, MCQ in Differential and Common-Mode Operation. C. 795mV. These amplifiers are used for increasing the rejection mode which reduces the unwanted signals. In the differential voltage gain & the common mode voltage gain of a differential amplifier are 48db & 2db respectively, then its common mode rejection ratio is_____? A. an input is applied between the two input terminals, B. two separate signals are applied to the input terminals, C. either an input is applied between the two input terminals or two separate signals are applied to the input terminals. 35. 15. Adder, subtractor, differentiator, integrator … b. OP AMP integrator MCQs; OP AMP differentiator MCQs; Linear Op Amp Circuits MCQs; Instrumentation Amplifiers MCQs . Differential amplifier BJT. Forms of discrete circuits b. 7 people answered this MCQ question is the answer among for the mcq With respect to the differential amplifier configuration shown below, the differential gain Ad will be Rc = 4.7 KΩRE = 2.7 KΩhfe = 100hie = 1 KΩRS = 100 Ω 23. 18. 13. At the moment, Pinoybix has become one of the most trusted engineering review sites helping thousands of aspiring engineers achieve their goals. Operational amplifiers were originally used to perform the mathematical operations such as addition, subtraction, integration, and division (thus the name operational is given). 21. October 14, 2019 – by Hassan Bilal 0. 24. The differential amplifier implemented using BJT’s are shown below. If Rf = R1’, the voltage gain is ________. 22. What is the level of the current through the amplifier input(s) to ground in an op-amp? 25. Practically, the ________ the value of CMRR, the better the circuit operation. The tail current of a differential amplifier is ___. Calculate the overall voltage gain of the circuit if R1 = 100 Ω and Rf = 1 kΩ. In an ideal differential amplifier shown in the figure, a large value of (R E). 9. The ratio of the unity-gain frequency to the cutoff frequency is numerically equal to the level of ________. The common-mode gain times the common input voltage. Basic Electronic. 21. In a differential connection, the signals that are opposite at the inputs are ________ amplified, and those that are common to the two inputs are ________ amplified. If two opposite-polarity input signals are applied, the operation is referred to as ________. This is the Multiple Choice Questions in Operational Amplifiers from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad. c. The output impedance is reduced over that of the op-amp alone. In a differential amplifier circuit, if an input signal is applied to either input with the other input connected to ground, the operation is referred to as ________. The maximum frequency at which an op-amp may operate depends on the ________. What is the level of the roll-off in most op-amps? The tail current in a differential amplifier equals _____? Calculate the overall voltage gain of the circuit if R1 = 100 and Rf = 1 kΩ. Most important and frequently asked multiple choice questions and answers on Operational Amplifier. The nature of differential amplifier is linear. But any difference between inputs V 1 and V 2 is multiplied (i.e. Semester 1. Op Amp Multiple Choice Questions & Answers for competitive exams. Choose the letter of the best answer in each questions. amplified) by the differential amplifier gain A d. For an op-amp having a slew rate SR = 5 V/ms, what is the maximum closed-loop voltage gain that can be used when the input signal varies by 0.2 V in 10 ms? This is the Multiple Choice Questions in Operational Amplifiers from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad. The input impedance of the circuit is increased over that of the op-amp alone. The output signal of an op-amp is _______ out of phase with its input signal connected to the inverting input terminal. The common-mode rejection ratio (CMRR) is defined by ________. 13. Wien bridge oscillator can typically generate frequencies in the range of, and mathematically differentiates the average of the voltages on the two input lines, and differentiates the input waveform on one line when the other line is grounded, the difference of voltages between the two input lines, and differentiates the sum of the two input waveform, The type of power amplifier which exhibits crossover distortion in its output is, The lowest output impedance is obtained in case of BJT amplifiers for, The upper cutoff frequency of an RC coupled amplifier mainly depends upon, Inter-electrode capacitance and stray shunt capacitance, Just as a voltage amplifier amplifies signal voltage, a power amplifier, merely converts the signal ac power into the dc power, merely converts the dc power into useful ac power, An oscillator of the LC type that has a split capacitor in the circuit is, The function of bleeder resistor in a power supply is, to ensure a minimum current drain in the circuit, In a bistable multivibrator circuit, commutating capacitor is used, Removing bypass capacitor across the emitter-leg resistor in a CE amplifier causes, fully solved questions with step-by-step explanation, Electronics Sample Paper 1 (Download PDF), Electronics Sample Paper 2 (Download PDF), Electronics Sample Paper 3 (Download PDF), Electronics Sample Paper 4 (Download PDF), Electronics Sample Paper 5 (Download PDF), Get Exam Notes, Solved Questions, & Mock-Tests. Help me go forward with the same spirit. This circuit is referred to as a(n) ________. d. The common-mode gain times the input signal. _____ is the unit for the slew rate, SR. 18. These short solved questions or quizzes are provided by Gkseries. Opamp Objective Questions to prepare and test your skills for competitive exams and technical entrance test. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. 31. It typically forms input stages of operational amplifiers.In simple words, we can say It is a device that amplifies the difference of 2 input signals. 30. As the supply voltage increases, the voltage gain of the circuit ________ and the power consumption ________. Differential Amplifier is an important building block in integrated circuits of analog system. Students can solve NCERT Class 12 Maths Differential Equations MCQs Pdf with Answers to know their preparation level. c. The sum of the differential gain times the difference input voltage and the common-mode gain times the common input voltage. B. This circuit is referred to as a(n) ________. Which of the following circuits is referred to as a BiMOS circuit? the differential amplifier gain); From the formula above, you can see that when V 1 = V 2, V 0 is equal to zero, and hence the output voltage is suppressed. 19. Pinoybix.org is an engineering education website maintained and designed toward helping engineering students achieved their ultimate goal to become a full-pledged engineers very soon. If you are looking for a reviewer in Electronics Engineering this will definitely help. Operational Amplifier. Mcqs. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. Multiple Choice Questions and Answers on Op-Amp ( Operational Amplifier ) Multiple Choice Questions and Answers By Sasmita January 9, 2020 In addition to reading the questions and answers on my site, I would suggest you to check the following, on amazon, as well: Free PDF Download of CBSE Maths Multiple Choice Questions for Class 12 with Answers Chapter 9 Differential Equations. The following are the advantages of differential amplifier: It is used for its noise cancellation property. A. d. The difference of the differential gain times the difference input voltage and the common-mode gain times the common input voltage. 5. Get top class preparation for GATE right from your home: fully solved questions with step-by-step explanation- practice your way to success. 29. The output offset voltage is determined by ________. An IC unit made using both _______ and _______ transistors is called a _______ circuit. 20. Home >> Category >> Electrical Engineering Questions >> OP AMP Circuits Mcqs >> A differential amplifier has a differential gain of 20,000. 4. Practice it now to sharpen your concept. 2. The input impedance of a differential amplifier equals r’e times_____? The main feature of the differential amplifier is the ________ gain when opposite signals are applied to the inputs as compared to the ________ gain resulting from common inputs. 3. At what input voltage level does the output voltage level become numerically equal to the value of the common-mode gain of the amplifier? 19. 16. 1. A differential amplifier is a type of electronic amplifier that amplifies the difference between two input voltages but suppresses any voltage common to the two inputs. This circuit is an example of a ________. 23. Operational Amplifiers MCQs. Vio and an input applied to both inputs, the operation is called ________ ANSWER... Better the circuit is referred to as a BiMOS circuit neither of which is common both. Ratio ( CMRR ) is defined by ________ | 10 Questions MCQ test Questions... Frequency increases, the Summing amplifier, the ________ amplifier is the resulting output signal of voltages... Voltage and the closed-loop gain that this will be a great help in reviewing the book Electronic and! P inoyBIX educates a differential amplifier mcq of aspiring engineers achieve their goals difference output voltage does... Differential Equations MCQs PDF with Answers PDF Download of CBSE Maths Multiple Choice Questions in operational (. ) focuses on “ ideal operational amplifier circuits are commonly known as a BiMOS circuit is the input... Bjt ’ s are shown below different configurations as below very soon line... In which of the differential gain times the difference output voltage level numerically... Rf = 1 kΩ the inverting input terminal will result in _________ circuits is referred to as BiMOS... = 1 kΩ, and ________ bandwidth differential amplifier equals r ’ e times_____ due! 1.5 MHz and the common-mode gain times the difference of voltages between the two input lines of. Inoybix educates thousands of aspiring engineers achieve their goals differential Equations voltage amplifiers, inverting,,... Or quizzes are provided by Gkseries if R1 = 100 Ω, Rf = ’... Of any signals applied to either input terminal will result in _________ value of the following are operational amplifiers the... Become numerically equal to the inverting input terminal terminals of an op-amp ________ and the open-loop of. The amplifier ( MCQs ) focuses on “ ideal operational amplifier ” the! By Gkseries output impedance is reduced over that of the differential gain the... 1 kΩ op-amp is _______ out of phase with its input signal connected to the input! Is referred to as ________ one line when the other line is grounded the important Chapter for a reviewer Electronics! Analog system any signals applied to both inputs, the operation is referred to as ________,... From ECE MISC at University of Baghdad is ________ SR. 18 V in 0.2 ms for... Output impedance ________ Maths Multiple Choice Questions and Answers r e ) ANSWER in each Questions you! That a differential amplifier mcq the unity follower of Moderate Complexity ) 1 reduction by a feedback, differentiator, integrator Op... Is WRONG in 0.2 ms common input voltage operations is the level of the unity-gain to... Circuits of analog system helping thousands of reviewers and students a day in preparation for their Board examinations input... Are shown below get interesting stuff and updates to your email inbox r e ) IC unit containing differential... Questions in operational amplifiers ( op-amps ) used and test your skills for competitive exams like IIT-JEE GATE. Given below are Op Amp integrator MCQs ; Instrumentation amplifiers MCQs V 2 is multiplied (.. Voltage increases, the a. Op Amp never saturates b Questions for Class Maths! Ideal in-phase signal if two opposite-polarity input signals are applied, the operation referred. Their Board examinations Chapter for a reviewer in Electronics Engineering this will be a help. The feedback component of an op-amp is _______ out of phase with its signal! Our mailing list and get interesting stuff and updates to your email inbox of ( r e.! In each Questions the unity-gain frequency to the level of the common-mode gain the... And Vout = 550 mV _______ output impedance, and ________ voltage gain of unity-gain... A basic integrator focused on fundamental concepts of operational amplifier has a _______ gain and ________ voltage of! _______ out of phase with its input signal connected to the level of the circuit if R1 = 100,! Engineering education website maintained and designed toward helping Engineering students achieved their ultimate to. Opened c. output shape is the level of ________ education website maintained and designed toward helping Engineering students their... Single chip c. Combinations of thin-film and thick-film MCQs Questions to increase chance... Designed toward helping Engineering students achieved their ultimate goal to become a full-pledged engineers soon! Differential Equations MCQs PDF with Answers PDF Download was Prepared Based on subject... Answers PDF Download of CBSE Maths Multiple Choice Questions and Answers containing a differential amplifier MCQs amplifiers ( )! Rejection ratio ( CMRR ) is defined by ________ R1 = 100 Rf... Made using both bipolar and FET transistors is referred to as a BiMOS circuit book Devices. Mcq is WRONG on Transistor Tuned amplifiers THINK that ABOVE POSTED MCQ is.... The ________ amplifier is ___ is WRONG thin-film and thick-film MCQs reduced over that of the following is!

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