We all know that, there are two assumptions that can be made whe analysing ideal operational amplifers, which are:
V+ = V-
I+ = I- = 0 (no current flows through op amp inputs)
but my question is: "Under what operating conditions are these assumptions valid?"
i am not sure if I'm right, but i said that the input resistor being infinitly big and the output resistor being infinitly close to 0, is this correct?
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