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Q#1 OP-AMP and its Applications GATE EE 1992 MCQ +1 mark -0.33 marks

An ideal OPAMP is used to make an inverting amplifier. The two input terminals of the OP-AMP are at the same potential because

The two input terminals are directly shorted internally

The input impedance of the OPAMP is infinity

The open loop gain of the OPAMP is infinity

CMRR is infinity

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