Operational Amplifier (OA) MCQs Quiz Online PDF Download

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MCQs on Operational Amplifier (OA)Quiz PDF Download

MCQ: Gain of operational amplifier is

  1. independent of internal structure
  2. dependent of internal structure
  3. depend upon two external resistances
  4. both b and c


MCQ: Open loop gain of an amplifier can be represented by formula

  1. Vo/Vi
  2. Vo + Vi
  3. Vo - Vi
  4. Vo × Vi


MCQ: In op-amp, signal applied at inverting terminal appears at output terminal with a phase

  1. 0
  2. 90
  3. 180
  4. 45


MCQ: Input resistance of op-amp is

  1. very high
  2. very low
  3. zero
  4. one


MCQ: Gain of non-inverting amplifier is given by G =

  1. 1 + R1/R2
  2. 1 - R1/R2
  3. (1 + R1)/R2
  4. (R1 + R2)/R2