Basic Op-Amp Circuits - General Questions Online Exam Quiz
Basic Op-Amp Circuits - General Questions GK Quiz. Question and Answers related to Basic Op-Amp Circuits - General Questions. MCQ (Multiple Choice Questions with answers about Basic Op-Amp Circuits - General Questions
A Schmitt trigger is
Options
A : a comparator with only one trigger point.
B : a comparator with hysteresis.
C : a comparator with three trigger points.
D : none of the above.
Refer to the given figure. This circuit is known as
Options
A : a noninverting amplifier.
B : a differentiator.
C : an integrator.
D : a summing amplifier.
The output of a Schmitt trigger is a
Options
A : pulse waveform.
B : sawtooth waveform.
C : sinusoidal waveform.
D : triangle waveform.
Refer to the given figure. This circuit is known as
Options
A : a noninverting amplifier.
B : a differentiator.
C : an integrator.
D : a summing amplifier.
Refer to the given figure. A square-wave input is applied to this amplifier. The output voltage is most likely to be
Options
A : a square wave.
B : a triangle wave.
C : a sine wave.
D : no output.
Refer to the given figure. What is the output voltage?
Options
A : 2 V
B : –2 V
C : +V sat
D : –V sat
If an op-amp comparator has a gain of 100,000, an input difference of 0.2 mV above reference, and a supply of 12 V, the output will be
Options
A : 20 V.
B : 12 V.
C : 10 V.
D : 15 V.
A comparator with a Schmitt trigger has
Options
A : two trigger levels.
B : a fast response.
C : a slow response.
D : one trigger level.
Refer to the given figure. Determine the upper trigger point.
Options
A : V (out)max
B : –V (out)max
C : –1.41 V
D : +1.41 V
In a(n) ________, when the input voltage exceeds a specified reference voltage, the output changes state.
Options
A : integrator
B : differentiator
C : summing amplifier
D : comparator
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