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GATE 2021:AC-Rapid Quiz 2 (App update required to attempt this test)
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Question 1
In the Op-Amp circuit shown, assume that the diode current follows the equation I = Is exp(V/Vr). For Vi = 2V, V0 = V01 and for Vi = 4V, V0 = V02. The relationship between V01 and V02 is:
Question 2
The feedback used in the circuit shown below can be classified as
Question 3
If the op–amp in figure is ideal, the output voltage 
will be equal to 
Question 4
An amplifier is RC coupled having a voltage band gain of If the gain at certain frequency is changed to 21 then the change in phase shift (in degrees) will be_____
Question 5
For the circuit shown below
Assume transistors to be identical and VT = 25 mV at room temperature, the output voltage Vo in mV is _____. (given I1 = 10 mA I2 = 2mA)
Question 6
Design the RC elements of a Wein bridge oscillator as in below figure for operation at f0 = 10 kHz
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Nov 30ESE & GATE EC
