Operational Amplifier (OP-AMP) – VIVA QUESTIONS

The following are some of the frequently asked questions for Viva on Operational Amplifier:

  1. What is an Op-Amp? What are some of it’s applications?
  2. Tell some characteristics of an ideal op-amp. What is virtual ground?
  3. What is output offset voltage?
  4. What is the gain of inverting amplifier?
  5. What is the gain of non-inverting amplifier?
  6. What is the open loop and closed loop gain of an op-amp?
  7. What is the input offset current?
  8. What is the value of the input offset current for 741 IC?
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