Explore topic-wise MCQs in Linear Integrated Circuit.

This section includes 8 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.

FIND_THE_VALUE_OF_INPUT_RESISTANCE_FOR_DIFFERENTIAL_AMPLIFIER_WITH_ONE_OP-AMP._IF_R1_=_R2=100‚ÂÀ√≠¬¨¬©_AND_RF_=_R3_=5K‚ÂÀ√≠¬¨¬©.?$#

A. R<sub>IFx</sub> = 110Ω; R<sub>IFy</sub> = 6.7kΩ
B. R<sub>IFx</sub> = 100Ω; R<sub>IFy</sub> = 5.1kΩ
C. R<sub>IFx</sub> = 150Ω; R<sub>IFy</sub> = 7.2kΩ
D. R<sub>IFx</sub> = 190Ω; R<sub>IFy</sub> = 9.0kΩ
Answer» C. R<sub>IFx</sub> = 150‚âà√≠¬¨¬©; R<sub>IFy</sub> = 7.2k‚âà√≠¬¨¬©
Discussion
2.

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
3.

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

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.

The difference between the input and output voltage are -1v and 17v. Calculate the closed loop voltage gain of differential amplifier with one op-amp?

A. -51
B. 34
C. -17
D. 14
Answer» D. 14
Discussion
5.

Compute the output voltage if the input voltage is reduced to zero in differential amplifier with one op-amp?

A. Inverted Voltage
B. Same as the input voltage
C. Amplified inverted voltage
D. Cannot be determined
Answer» E.
Discussion
6.

What will be the output voltage when Vx =0v?

A.
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> = (1+ R <sub>F</sub>/ R<sub>1</sub>)*V<sub>1</sub>
Answer» D. V<sub>o</sub> = (1+ R <sub>F</sub>/ R<sub>1</sub>)*V<sub>1</sub>
Discussion
7.

Which of the following is a combination of inverting and non-inverting amplifier?

A. Differential amplifier with one op-amp
B. Differential amplifier with two op-amps
C. Differential amplifier with three op-amps
D. Differential amplifier with four op-amps
Answer» B. Differential amplifier with two op-amps
Discussion
8.

Why differential amplifiers are preferred for instrumentation and industrial applications?

A. Input resistance is low
B. Produce amplified output
C. Amplify individual input voltage
D. Reject common mode voltage
Answer» E.
Discussion