MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
Name the resistor that is connected in the non-inverting terminal of op-amp which is in parallel combination of resistor connected in inverting terminal and feedback resistor. |
| A. | Random minimizing resistor |
| B. | Offset minimizing resistor |
| C. | Offset reducing resistors |
| D. | Output minimizing resistors |
| Answer» C. Offset reducing resistors | |
| 2. |
Mention a step to reduce the output offset voltage caused due to input bias current? |
| A. | Use small feedback resistor and resistance at the input terminal |
| B. | Use small feedback resistors |
| C. | Reduce the value of load resistors |
| D. | None of the mentioned |
| Answer» C. Reduce the value of load resistors | |
| 3. |
The formula for output offset voltage of an op-amp due to input bias current |
| A. | V<sub>OIB</sub>= R<sub>F</sub>*I<sub>B</sub> |
| B. | V<sub>OIB</sub>= (R<sub>F</sub>+R<sub>1</sub>)/I<sub>B</sub> |
| C. | V<sub>OIB</sub>= (1+R<sub>F</sub>)*I<sub>B</sub> |
| D. | V<sub>OIB</sub>= [1+(R<sub>F</sub>/R<sub>1</sub>)]*I<sub>B</sub> |
| Answer» B. V<sub>OIB</sub>= (R<sub>F</sub>+R<sub>1</sub>)/I<sub>B</sub> | |
| 4. |
Although the value of input bias current is very small, it causes |
| A. | Output voltage |
| B. | Input offset voltage |
| C. | Output offset voltage |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 5. |
Input bias current is defined as |
| A. | Average of two input bias current |
| B. | Summing of two input bias current |
| C. | Difference of two input bias current |
| D. | Product of two input bias current |
| Answer» B. Summing of two input bias current | |