A. 9. The common-mode gain times the common input voltage. As the frequency increases, the input impedance of an op-amp ________ and the output impedance ________. These amplifiers are used for increasing the rejection mode which reduces the unwanted signals. What is a differential amplifier? October 14, 2019 – by Hassan Bilal 0. A ________ differential amplifier is particularly well suited for battery operation due to its low power consumption. Basic Electronic. Single Input Balanced Output 3. c. The common-mode gain times twice the input signal. Where. RE C. RC D. 2ß. Which of the following is (are) the result of gain reduction by a feedback? This circuit is referred to as a(n) ________. Semester 1. 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: An IC unit containing a differential amplifier built using opposite-type MOSFET transistors is referred to as a ________ circuit. 25. Operational Amplifier. 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. b. 20. 3. 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_____? Monolithic ICs are a. 25. The input impedance of the circuit is increased over that of the op-amp alone. - A. difference between two emitter currents B. sum of two emitter currents C. collector current divided by current gain D. collector voltage divided by collector resistance Submitted by: Ali Uppal An operational amplifier has a _______ input impedance and a _______ output impedance. 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In a nonlinear op-amp circuit, the a. Op amp never saturates b. _____ is the unit for the slew rate, SR. 18. 5. 33. 13. In which of the following are operational amplifiers (op-amps) used? PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. If Rf = R1’, the voltage gain is ________. 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. Inverting amplifier connection is more widely used because it has _______. 21. The feedback component of an integrator is a(n) ________. The tail current of a differential amplifier is ___. What is the difference output voltage of any signals applied to the input terminals? View differential amplifier (MCQs).txt from ECE MISC at University of Baghdad. Jan 03,2021 - Operational Amplifier | 10 Questions MCQ Test has questions of Electronics and Communication Engineering (ECE) preparation. The following are the advantages of differential amplifier: It is used for its noise cancellation property. 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. Give examples of linear circuits. d. The difference of the differential gain times the difference input voltage and the common-mode gain times the common input voltage. This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “Ideal Operational Amplifier”. What is the difference voltage if the inputs are an ideal opposite signal? 2. Operational Amplifier Operational Amplifier. electrical-engineering-mcqs. Practically, the ________ the value of CMRR, the better the circuit operation. 1. Which of the following circuit conditions affect(s) the output offset voltage of an op-amp? Also provides professionals with materials for their lectures and practice exams. 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? What is the cutoff frequency of an op-amp if the unity-gain frequency is 1.5 MHz and the open-loop gain is 100,000? Dual Input Unbalanced Output 4. 15. Verilog programs. As the supply voltage increases, the voltage gain of the circuit ________ and the power consumption ________. a. 13. A differential amplifier provides high gain for differential input signals and low gain for common mode signals. 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. The common-mode rejection ratio (CMRR) is defined by ________. 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. 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. This is the Multiple Choice Questions in Operational Amplifiers from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad. 4. At what input voltage level does the output voltage level become numerically equal to the value of the differential gain of the amplifier? 10. 1. 1. and differentiates the … 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 At what input voltage level does the output voltage level become numerically equal to the value of the common-mode gain of the amplifier? b. The differential gain times the input signal. 10. 34. amplified) by the differential amplifier gain A d. 11. 22. 26. The differential gain times twice the input signal. 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. A differential amplifier, amplifies. 20. B. 0. and differentiates the input waveform on one line when the other line is grounded. OP AMPS as voltage amplifiers,inverting ,Non-inverting,The voltage follower,The Summing Amplifier,The Differential amplifier MCQs. What is the main purpose of an operational amplifier? Based on the methods of providing input and taking output, differential amplifiers can have four different configurations as below. b. 24. If the same input is applied to both inputs, the operation is called ________. 17. 27. 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 Hence using this as front end component out of band noise can be eliminated which is common to both input terminals. If you are looking for a reviewer in Electronics Engineering this will definitely help. 2. The output offset voltage is determined by ________. 28. Home » Electronics » Questions and Answers » Boylestad Questions and Answers ». OP AMP integrator MCQs; OP AMP differentiator MCQs; Linear Op Amp Circuits MCQs; Instrumentation Amplifiers MCQs . Home; Programs. Practice it now to sharpen your concept. c. The sum of the differential gain times the difference input voltage and the common-mode gain times the common input voltage. 6. BJT Circuits (MCQs of Moderate Complexity) 1. An IC unit made using both _______ and _______ transistors is called a _______ circuit. A. If you are looking for a reviewer in Electronics Engineering this will definitely help. 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. Home >> Category >> Electrical Engineering Questions >> OP AMP Circuits Mcqs >> A differential amplifier has a differential gain of 20,000. 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 ________. 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. 32. 26. 395mV. Calculate the overall voltage gain of the circuit if R1 = 100 and Rf = 1 kΩ. In double-ended (differential) input operation, _______. 29. 3. These short solved questions or quizzes are provided by Gkseries. CMMR=80dB. 9. Maths MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. 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. This test is Rated positive by 86% students preparing for Electronics and Communication Engineering (ECE).This MCQ test is related to Electronics and Communication Engineering (ECE) syllabus, prepared by Electronics and Communication Engineering … Physics I Mcqs 1; Physics I Mcqs 2; Semester 3. Differential Amplifiers. 15. Op Amp Multiple Choice Questions & Answers for competitive exams. 14. A. ß B. A. ß B. This circuit is an example of a _________. Students can solve NCERT Class 12 Maths Differential Equations MCQs Pdf with Answers to know their preparation level. These objective type questions are very important for competitive exams like IIT-JEE, GATE, CAT etc. 7. A. the input offset voltage and input offset current, C. both the input offset voltage and the closed-loop gain. 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. 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