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GATE 19951995PYQNATanswer pendingexplanation sooneasy
Analog Electronics · Op-Amp-EE
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Recurring concept
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Op-Amp-EE has appeared in GATE Electrical Engineering 25 times across 15 years (2005, 2011, 2015, 2022, 2025, ...).

∑ has math
op-ampvoltage-followercommon-mode-voltageunity-gain-buffer