# 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.

Options

A : 2 V

B : –2 V

C : +V sat

D : –V sat

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.

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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