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GATE ECE 2026 | Question: 7
The ideal $\text{OP-AMP}$ circuit shown in the Figure produces output voltage $V_{o}=x$ when the Switch, $\text{S}$, is open.Which of the options represents the output vo...
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1 1 answer
194
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GATE ECE 2026 | Question: 43
A circuit using an ideal $\text{OP-AMP}$ is shown in the Figure.Which of the following options gives the correct value of the current $I_{X}$?$2.0$ mA$1.5$ mA$3.0$ mA$0$ ...
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223
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GATE ECE 2026 | Question: 52
Consider an ideal OP-AMP circuit as shown in the Figure.The resistances $R_{1}=R_{2}=R_{3}=R_{4}=50 \mathrm{~k} \Omega$.The magnitude of the closed loop gain is $\_\_\_\_...
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554
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GATE ECE 2025 | Question: 19
Which of the following statements is/are TRUE with respect to an ideal opamp?It has an infinite input resistanceIt has an infinite output resistanceIt has an infinite ope...
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969
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GATE ECE 2024 | Question: 39
​​​​​The opamps in the circuit shown are ideal, but have saturation voltages of $\pm 10 \mathrm{~V}$.Assume that the initial inductor current is $0 \mathrm{~A}$. The inpu...
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1.2k
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GATE ECE 2024 | Question: 40
In the circuit below, the opamp is ideal. If the circuit is to show sustained oscillations, the respective values of $R_{1}$ and the corresponding frequency of oscillatio...
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619
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GATE ECE 2023 | Question: 29
The $\frac{V_{\text {OUT }}}{V_{\text {IN }}}$ of the circuit shown below is$-\frac{\mathrm{R}_4}{\mathrm{R}_3}$$\frac{\mathrm{R}_4}{\mathrm{R}_3}$$1+\frac{\text{R}_4}{\t...
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484
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TIFR ECE 2013 | Question: 8
The following circuit with an ideal operational amplifier isA low pass filterA high pass filterA bandpass filterA bandstop filterAn all pass amplifier
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403
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TIFR ECE 2017 | Question: 4
A Schmitt trigger circuit is a comparator circuit with a hysteresis. Consider the Schmitt trigger circuit in the figure implemented using an opamp. What are the trigger l...
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271
271 views
TIFR ECE 2016 | Question: 5
Consider the opamp circuit in the figure. Approximately what is $V_{0}$?$-\left(\frac{V_{1}}{2}+V_{2}\right)$$-\left(\frac{V_{1}}{4}+\frac{V_{2}}{2}\right)$$-\left(V_{1}+...
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427
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GATE ECE 1997 | Question: 1.2
The voltage $\mathrm{V}$ in the figure is equal to$3 \mathrm{~V}$$-3 \mathrm{~V}$$5 \mathrm{~V}$None of these
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389
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GATE ECE 1997 | Question 1.3
The voltage $\mathrm{V}$ in the figure is always equal to$9 \mathrm{~V}$$5 \mathrm{~V}$$1 \mathrm{~V}$None of the above
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401
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GATE ECE 1997 | Question 4.1
The output voltage $V_{0}$ of the circuit shown in the figure is$-4 \mathrm{~V}$$6 \mathrm{~V}$$5 \mathrm{~V}$$-5.5 \mathrm{~V}$
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324
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GATE ECE 1997 | Question 5.6
Negative feedback in(1) Voltage series configurationincrease input impedance(2) Current shunt configurationdecrease input impedanceincreases closed loop gainleads to osci...
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276
276 views
GATE ECE 1997 | Question 11
Consider the circuit given in the figure is using an ideal operational amplifier.The characteristics of the diode are given by the relation $\mathrm{I}=\mathrm{I}_{\mathr...
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330
330 views
GATE ECE 1997 | Question 12
In the circuit shown in the figure is assume that the operational amplifier is ideal and that $\mathrm{V}_{\mathrm{o}}=0 \mathrm{~V}$ initially. The switch is connected f...
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434
434 views
GATE ECE 1997 | Question 19
An $\text{IC}$ $555$ chip has been used to construct a pulse-Generator. Typical pin connections with components is shown below in the figure is for such an application. H...
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426
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GATE ECE 2000 | Question 1.5
In the given circuit, $V_{0}$ is$-1 \mathrm{~V}$$2 \mathrm{~V}$$+1 \mathrm{~V}$$+15 \mathrm{~V}$
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388
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GATE ECE 2000 | Question 1.9
If the $\text{op-amp}$ in figure is ideal, then $v_{0}$ iszero$\left(\mathrm{V}_{1}-\mathrm{V}_{2}\right) \sin \omega t$$-\left(V_{1}+V_{2}\right) \sin \omega t$$\left(\m...
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620
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GATE ECE 2000 | Question 1.10
The configuration of given figure is aprecision integratorHartley oscillatorButterworth high pass filterWien-bridge oscillator
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