1. Assertion (A): An op-amp has high voltage gain, high input impedance and low output impedanceReason (R): Negative feedback increases output impedance





Write Comment

Type in
(Press Ctrl+g to toggle between English and the chosen language)

Comments

Tags
Show Similar Question And Answers
QA->The voltage regulator in the combined voltage and current regulator of a d.c charging circuit contains....
QA->Not a Bernstein’s condition for two processes P1 and P2 executing in parallel on input set I1 and I2, producing output set 0 1 and 0 2 respectively.....
QA->The part of a torque converter that facilitates change of torque between input and output shaft is the:....
QA->BIOS (Basic Input Output System) software stored on :....
QA->The amount of input tax that is permitted to be sent off against output tax ?....
MCQ->Assertion (A): An op-amp has high voltage gain, high input impedance and low output impedanceReason (R): Negative feedback increases output impedance

....
MCQ->Consider the following statements, regarding an OP AMP: All types of negative feedback reduce non-linear distortion.All types of negative feedback reduce the output offset voltage.Non-inverting (current and voltage) feedback increases the input impedance.Inverting (current and voltage) feedback decreases input impedance. Which of the above statements is/are correct?....
MCQ-> Study the following information carefully and answer the given questions : A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule in each step. The following is an illustration of input and rearrangement.Input : 96 gain 63 forest 38 78 deep house Step 1 : deep 96 gain 63 forest 38 78 house Step II : deep 38 96 gain 63 forest 78 house Step III : deep 38 forest gain 96 63 78 house Step IV : deep 38 forest 63 gain 96 78 house Step V : deep 38 forest 63 gain 78 96 house Step VI : deep 38 forest 63 gain 78 house 96 and Step VI is the last step of the rearrangement of the above input.As per the rules followed in the above steps, find out in each of the following questions the appropriate step for the given input.Input : train 59 47 25 over burden 63 sky. Which of the following steps will be the last but one ?
 ....
MCQ->Assertion (A): A large negative feedback is deliberately introduced in an amplifier to make its gain independent of variation is in parameters of active device and other components.Reason (R): A large negative feedback results in a high value of return difference compared to unity which makes the feedback gain inversely proportional to feedback factor.

....
MCQ->Assertion (A): A large negative feedback is deliberately introduced in an amplifier to make its gain independent of variation in parameters of active device.Reason (R): A large negative value of feedback results in a high value of return difference compared to unity which makes the feedback gain inversely proportional to the feedback factor.

....
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use
DMCA.com Protection Status Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions