Electronics - Basic Op-Amp Circuits

Exercise :: Basic Op-Amp Circuits - Filling the Blanks

1. 

In the given circuit, VIN1 equals ______.

A. +4 V
B. +20 V
C. –4 V
D. –20 V

Answer: Option C

Explanation:

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2. 

The rate of change of the output voltage in the given circuit equals ______.

A. 40 mV/mu.gifs
B. 5 V/mu.gifs
C. 0 V/mu.gifs
D. 40 V/mu.gifs

Answer: Option D

Explanation:

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3. 

A mathematical operation for finding the area under the curve of a graph is called __________.

A. differentiation
B. integration
C. curve averaging
D. linear regression

Answer: Option B

Explanation:

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4. 

In the given circuit, if Rf is reduced to 8 k, the circuit becomes the ______.

A. digital-to-analog converter
B. averaging amplifier
C. scaling adder
D. summing amplifier with gain greater than unity

Answer: Option B

Explanation:

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5. 

The reference voltage for the comparator in the given circuit equals ______.

A. 0 V
B. +8.8 V
C. +16 V
D. +7.2 V

Answer: Option B

Explanation:

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