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GATE EC 2026 Set 1 — Question 17

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MCQ+1 / -0.33EasyInverting & Non-InvertingOp-Amp CircuitsAnalog Circuits

Analog Circuits → Op-Amp Circuits → Inverting & Non-Inverting

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Question

The ideal OP-AMP circuit shown in the Figure produces output voltage Vo=xV_o = x when the Switch, S, is open.
Which of the options represents the output voltage when S is closed?
An ideal operational amplifier circuit in a non-inverting configuration. The non-inverting input is connected to a $1\text{ V}$ source. The inverting input is connected to ground through a $1\text{ k}\Omega$ resistor and to the output through a series combination of a $2\text{ k}\Omega$ resistor and a $1\text{ k}\Omega$ resistor. A switch S is connected in parallel with the $1\text{ k}\Omega$ feedback resistor.
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