1
GATE ECE 2020
Numerical
+1
-0
In the circuit shown below, all the components are ideal. If $V_i$ is +2 V , the current $I_0$ sourced by the OpAmp is $\_\_\_\_$ mA .
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2
GATE ECE 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.3
For the operational amplifier circuit shown, the output saturation voltages are $$ \pm \,\,15V$$. The upper and lower threshold voltages for the circuit are, respectively.
3
GATE ECE 2016 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Consider the constant current source shown in the figure below. Let $$\beta $$ represent the current gain of the transistor
The load current I0 through RL is
4
GATE ECE 2016 Set 1
Numerical
+1
-0
The following signal Vi of peak voltage 8V is applied to the non-inverting terminal of an ideal Opamp. The transistor has VBE = 0.7 V, $$\beta \, = \,100;$$ VLED = 1.5 V, VCC = 10V and -VCC = -10V.
The number of times the LED glows is ______.
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