Q. What happen if any positive input signal is applied to open-loop configuration?

A
Output reaches saturation level
B
Output voltage swing? peak to peak
C
Output will be a sine waveform
D
Output will be a non-sinusoidal waveform
Solution:

In open-loop configuration, due to very high gain of the op-amp, any input signal slightly greater than zero drives the output to saturation level.

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