MCQOPTIONS
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MCQOPTIONS
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) | |
| 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√≠¬¨¬© | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |