Explore topic-wise MCQs in Linear Integrated Circuit.

This section includes 7 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.

Assume that the increase and decrease in the resistance of the strain gage element is by the same number of ‚ñ≥R. Determine the unbalanced voltage equation?#

A. V = – V<sub>dc</sub>×(△R/R)
B. V = – V<sub>dc</sub>×(△R/R+△R)
C. V = V<sub>dc</sub>√ó(‚ñ≥R/R)
D. V = – V<sub>dc</sub>×[(△R+ R)/R].
Answer» B. V = ‚Äö√Ñ√∂‚àö√ë‚àö¬® V<sub>dc</sub>‚Äö√†√∂‚àö‚â•(‚Äö√Ñ√∂‚àö¬±‚Äö√¢‚Ä¢R/R+‚Äö√Ñ√∂‚àö¬±‚Äö√¢‚Ä¢R)
Discussion
2.

The gain of the differential amplifier is -125. Assume the voltage applied to bridge circuit Vdc=+10v and the unstrained resistance of four element of strain gage is 200Ω. When a certain weight is placed on the platform, the output voltage Vo=5v. Determine the change in resistance of each strain gage for analog weight scale. (Assuming the output is initially nulled).$

A. 1Ω
B. 0.8Ω
C. 0.3Ω
D. 1.83Ω
Answer» C. 0.3‚âà√≠¬¨¬©
Discussion
3.

In what way the internal construction of the op-amp contribute to capacitive effect in op-amp?

A. Formation of junction capacitor
B. Due to internally connected capacitors
C. Formation of stray capacitor
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
4.

How are op-amp with three break frequency are represented

A. Using two capacitors
B. Using three capacitors
C. Using one capacitor
D. All of the mentioned
Answer» C. Using one capacitor
Discussion
5.

How does the physical characteristic of semiconductor account for the increase in frequency of op-amps?

A. Transistor values
B. Junction capacitance
C. Dopant concentration
D. None of the mentioned
Answer» C. Dopant concentration
Discussion
6.

What remedy can be followed to maintain the operating frequency in the op-amps?

A. Use LC circuit
B. Use resistor
C. Use capacitor
D. Use transistor
Answer» D. Use transistor
Discussion
7.

Which factor is responsible for the gain of the op-amp to roll-off after a certain frequency is reached

A. Capacitive effect
B. Resistive effect
C. Inductor effect
D. None of the mentioned
Answer» B. Resistive effect
Discussion