Explore topic-wise MCQs in Linear Integrated Circuit.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Linear Integrated Circuit knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the net output voltage for differential amplifier with one op-amp

A. V<sub>o</sub> = -(R<sub>F</sub> /R<sub>1</sub>)*V<sub>x</sub>
B. V<sub>o</sub> = -(R<sub>F</sub> /R<sub>1</sub>)*(V<sub>x</sub> -V<sub>y</sub>)
C. V<sub>o</sub> = (1+R<sub>F</sub> /R<sub>1</sub>)*(V<sub>x</sub> -V<sub>y</sub>)
D. None of the mentioned
Answer» C. V<sub>o</sub> = (1+R<sub>F</sub> /R<sub>1</sub>)*(V<sub>x</sub> -V<sub>y</sub>)
Discussion
2.

Find the value of input resistance for differential amplifier with one op-amp. If R1 = R2=100 and RF = R3 =5k .

A. R<sub>IFx</sub> = 110 ; R<sub>IFy</sub> = 6.7k
B. R<sub>IFx</sub> = 100 ; R<sub>IFy</sub> = 5.1k
C. R<sub>IFx</sub> = 150 ; R<sub>IFy</sub> = 7.2k
D. R<sub>IFx</sub> = 190 ; R<sub>IFy</sub> = 9.0k
Answer» C. R<sub>IFx</sub> = 150 ; R<sub>IFy</sub> = 7.2k
Discussion
3.

The gain of differential amplifier with one op-amp is same as that of

A. The inverting amplifier
B. The non-inverting amplifier
C. Both inverting and non-inverting amplifier
D. None of the mentioned
Answer» B. The non-inverting amplifier
Discussion
4.

What will be the output voltage when Vx =0v?
(Where Vx > inverting input terminal of differential amplifier with one op-amp)

A. V<sub>o</sub> = -(1+R <sub>F</sub>/R<sub>1</sub>)*V<sub>1</sub>
B. V<sub>o</sub> = -(1- R <sub>F</sub>/ R<sub>1</sub>)*V<sub>1</sub>
C. V<sub>o</sub> = (1+ R <sub>F</sub>/ R<sub>1</sub>)*V<sub>1</sub>
D. V<sub>o</sub> = (R <sub>F</sub>/ R<sub>1</sub>)*V<sub>1</sub>
Answer» D. V<sub>o</sub> = (R <sub>F</sub>/ R<sub>1</sub>)*V<sub>1</sub>
Discussion