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Specify the voltage gain of non-inverting amplifier with feedback amplifier with and without feedback?

Specify the voltage gain of non-inverting amplifier with feedback amplifier with and without feedback? Correct Answer A= Vo/Vid, AF= Vo/Vin

The voltage gain of op-amp with feedback is the open loop voltage gain, A=Vo /Vid. The voltage gain of op-amp without feedback is the closed loop voltage gain, AF = Vo /Vin.

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