
Comparator Quiz
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Other
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Professional Development
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Practice Problem
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Medium
Mrs. G.
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An inverting comparator has a reference voltage of VREF=2V. If the input voltage 1.5V, what will be the output of the comparator?
Positive saturation voltage
Negative saturation voltage
2 V
−2 V
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An op-amp used as a comparator operates with ±15 V power supplies. What are the possible output voltage levels for this comparator?
0 V and 15V
−15 V and 15V
−15 V and 0V
−5 V and 5V
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a non-inverting comparator, VREF=3 V. If VIN=4 V, what will be the output?
Positive saturation voltage
Negative saturation voltage
4 V
−3 V
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a comparator circuit without feedback, the output changes:
Linearly with input voltage
Asymptotically with input voltage
Abruptly when the input crosses the reference voltage
Not at all
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In an inverting comparator, if the reference voltage is negative, what happens to the output when the input is more positive than the reference voltage?
Positive saturation
Negative saturation
No output
Output oscillates
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If an op-amp comparator is powered by ±12V, what is the maximum permissible input voltage range?
−12V to 12 V
−10 V to 10V
−15 Vto 15 V
Unlimited
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is an application of an op-amp comparator?
Analog integrator
Digital-to-Analog converter
Voltage level detector
Current amplifier
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