# If I.C amplifier shown in the figure has an voltage Vi=0.1 cos(2∏ *100t) volts, its wave form of the output voltage V0 is

1.

2.

3.

4.

4 Explanation :
No Explanation available for this question

# Magnitude of the gain in the inverting open amplifier circuit shown in the figure be x and switch S1 open. When switch S1 is closed, the magnitude of gain becomes

1.

2.  –x

3.  2x

4.  -2xe

4 Explanation :
No Explanation available for this question

# In an non-inverting OP-AMP summer is shown in the figure, output voltage V0 will b

1.  (3/2) sin(100t)

2.  3 sin(100t)

3.  Sin(100t)

4.  2 sin (100t).

4

3 sin(100t)

Explanation :
No Explanation available for this question

# The common mode voltage is completely alternated at the output of the differential amplifier shown in the figure, if

1.  R1+R2=R3+R4

2.  R1-R2=R3-R4

3.  R1/R2=R3/R4

4.  R2/R1=R3/R4

4

R1-R2=R3-R4

Explanation :
No Explanation available for this question

# Output voltage V0 in the given amplifier circuit is

1.  4 V

2.  6 V

3.  8 V

4.  10 V.

4

10 V.

Explanation :
No Explanation available for this question

# The circuit connection of OP-AMP given in the fig.(a) and Fig.(b) represent

1.  Logarithmic amplifiers for both fig.(a) and fig.(b)

2.  Detectors for both fig.(a) and fig.(b)

3.  Detectors for fig.(a) and logarithmic amplifier for fig.(b)

4.  Logarithmic amplifier for fig.(a) and detector for fig.(b).

4

Logarithmic amplifier for fig.(a) and detector for fig.(b).

Explanation :
No Explanation available for this question

# In the differentiating circuit given in the figure, function of R1 is to

1.  Enable circuit to approach ideal differentiator

2.  Maintain high input impedance

3.  Eliminate high frequency noise spikes

4.  Prevent oscillations at high frequency.

4

Maintain high input impedance

Explanation :
No Explanation available for this question

# If input signal e1 applied to the OP-AMP of the circuit shown in the given figure is sinusoidal at maximum value 1 mV and of 1KHz frequency, then magnitude of the peak value of the output voltage waveform would be

1.  1.28 mV

2.  159.28 mV

3.  159 mV

4.  628 mV.

4

628 mV.

Explanation :
No Explanation available for this question

# Expression for the output voltage V0 in terms of the input voltage V1 and V2 in the circuit shown in the figure, assuming operational amplifier to be ideal is V0=A1 V1+A2V2 Values of A1 and A2 would be respectively

1.  9 and -10

2.  9.9 and -10

3.  -9 and 10

4.  -9.9 and 10.

4

9.9 and -10

Explanation :
No Explanation available for this question

# The transistor gain of the circuit shown in the figure is given by

1.

2.

3.

4.

4 