1
GATE EE 2015 Set 1
+2
-0.6
The op-amp shown in the figure has a finite gain $$A = 1000$$ and an infinite input resistance. A step voltage $${V_i} = 1\,\,mV$$ is applied at the input at time $$t = 0$$ as shown. Assuming that the operational amplifier is not saturated, the time constant (in millisecond) of the output voltage $${V_o}$$ is
A
$$1001$$
B
$$101$$
C
$$11$$
D
$$1$$
2
GATE EE 2015 Set 2
+2
-0.6
The saturation voltage of the ideal op-amp shown below is $$\pm 10\,V.$$ The output voltage $${V_O}$$ of the following circuit in the steady-state is
A
square wave of period $$0.55$$ $$ms.$$
B
triangular wave of period $$0.55$$ $$ms.$$
C
square wave of period $$0.25$$ $$ms.$$
D
triangular wave of period $$0.25$$ $$ms.$$
3
GATE EE 2014 Set 1
+2
-0.6
Given the Op-amps in the figure of ideal, the output voltage $${V_0}$$ is
A
$${V_1} - {V_2}$$
B
$$2\left( {{V_1} - {V_2}} \right)$$
C
$${{{V_1} - {V_2}} \over 2}$$
D
$${V_1} + {V_2}$$
4
GATE EE 2014 Set 1
+2
-0.6
In the figure shown, assume the op-amp to be ideal. Which of the alternatives gives the correct Bode plots for the transfer function $${{{V_O}\left( \omega \right)} \over {{V_i}\left( \omega \right)}}?$$
A
B
C
D
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