Physics Exam  >  Physics Tests  >  Topic wise Tests for IIT JAM Physics  >  OP AMP MCQ Level – 1 - Physics MCQ

OP AMP MCQ Level – 1 - Physics MCQ


Test Description

10 Questions MCQ Test Topic wise Tests for IIT JAM Physics - OP AMP MCQ Level – 1

OP AMP MCQ Level – 1 for Physics 2024 is part of Topic wise Tests for IIT JAM Physics preparation. The OP AMP MCQ Level – 1 questions and answers have been prepared according to the Physics exam syllabus.The OP AMP MCQ Level – 1 MCQs are made for Physics 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for OP AMP MCQ Level – 1 below.
Solutions of OP AMP MCQ Level – 1 questions in English are available as part of our Topic wise Tests for IIT JAM Physics for Physics & OP AMP MCQ Level – 1 solutions in Hindi for Topic wise Tests for IIT JAM Physics course. Download more important topics, notes, lectures and mock test series for Physics Exam by signing up for free. Attempt OP AMP MCQ Level – 1 | 10 questions in 30 minutes | Mock test for Physics preparation | Free important questions MCQ to study Topic wise Tests for IIT JAM Physics for Physics Exam | Download free PDF with solutions
OP AMP MCQ Level – 1 - Question 1

In one of the following circuits, negative feedback does not operate for a negative input. Which one is it ? The Op-Amps are running from supplies.

Detailed Solution for OP AMP MCQ Level – 1 - Question 1

Since diode does not conduct in reverse bias hence, the circuit given in option (c) does not operate for a negative feedback.
The correct answer is:

OP AMP MCQ Level – 1 - Question 2

In an integrator, the feedback element is a :

Detailed Solution for OP AMP MCQ Level – 1 - Question 2

Integrator circuit is as shown below

The correct answer is: capacitor

1 Crore+ students have signed up on EduRev. Have you? Download the App
OP AMP MCQ Level – 1 - Question 3

The input and output impedance of the amplifier in given figure, is, (The Op-amp data sheet gives Zin = 2MΩ, ZOut = 75Ω and Aol = 200000).

Detailed Solution for OP AMP MCQ Level – 1 - Question 3

The attenuation B, of the feedback circuit is

= [1 + 200000(0.0435)](2MΩ)
= 17.4GΩ

= 8.6Ω
The correct answer is: 17.4GΩ; 8.6/mΩ

OP AMP MCQ Level – 1 - Question 4

The frequency at which the open loop gain is equal to 1 is called. 

Detailed Solution for OP AMP MCQ Level – 1 - Question 4

It is called the unity-gain frequency
The correct answer is: The unity-gain frequency

OP AMP MCQ Level – 1 - Question 5

In the differentiating circuit given in the figure, the function of R1 is to:

Detailed Solution for OP AMP MCQ Level – 1 - Question 5

R1 maintains the high input impedance.
The correct answer is: Maintain high input impedance

OP AMP MCQ Level – 1 - Question 6

Ideal op-amp has infinite voltage gain because 

Detailed Solution for OP AMP MCQ Level – 1 - Question 6

As the voltage gain is infinite, the voltage between the inverting and non-inverting terminal (i.e. differential input voltage) is essentially zero for finite output voltage.

OP AMP MCQ Level – 1 - Question 7

For the amplifier shown in figure

Detailed Solution for OP AMP MCQ Level – 1 - Question 7

Since the input resistors are equal; 
R= 100/kΩ
The output voltage is

Whereas, the input average

Shows that average of the input value is the same magnitude as Vout but of opposite sign.
The correct answer is: The average of the input values is the same magnitude as Vout but of opposite sign

OP AMP MCQ Level – 1 - Question 8

The midrange open-loop gain of an Op-Amp :

Detailed Solution for OP AMP MCQ Level – 1 - Question 8

It extends from 0Hz to the upper critical frequency.
The correct answer is: extends from 0Hz to the upper critical frequency

OP AMP MCQ Level – 1 - Question 9

Figure shows a practical integrator with  If a step (dc) voltage of +3V is applied as input for  ( f in second), the output voltage is.

Detailed Solution for OP AMP MCQ Level – 1 - Question 9


= -4V
The correct answer is: a ramp function of -4V

OP AMP MCQ Level – 1 - Question 10

The circuit shown is based on ideal operational amplifiers. It acts as a

Detailed Solution for OP AMP MCQ Level – 1 - Question 10

A buffer amplifier (sometimes simply called a buffer) is one that provides electrical impedance transformation from one circuit to another, with the aim of the signal source being unaffected by (“buffered from”) whatever currents that the load may produce.
The correct answer is: buffer amplifier

217 tests
Information about OP AMP MCQ Level – 1 Page
In this test you can find the Exam questions for OP AMP MCQ Level – 1 solved & explained in the simplest way possible. Besides giving Questions and answers for OP AMP MCQ Level – 1, EduRev gives you an ample number of Online tests for practice
Download as PDF