Q. OP-AMP may be used as :

A
Summing amplifier
B
Differentiator
C
Voltage comparator
D
All the above
Solution:
  • OP-AMP may be used as summing amplifier, differentiator, voltage comparator.
  • In the most basic circuit, op-amps are used as voltage amplifiers, which can be broadly divided into noninverting and inverting amplifiers.
  • Voltage followers (also simply called buffers) are a type of commonly used noninverting amplifiers.
  • Op-amps are also used as differential amplifiers, integrator circuits, etc
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