MCQOPTIONS
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MCQOPTIONS
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. |
Which factor determine the output voltage of an op-amp?$ |
| A. | Positive saturation |
| B. | Negative saturation |
| C. | Both positive and negative saturation voltage |
| D. | Supply voltage |
| Answer» D. Supply voltage | |
| 2. |
Find the input voltage of an ideal op-amp. It’s one of the inputs and output voltages are 2v and 12v. (Gain=3)$# |
| A. | 8v |
| B. | 4v |
| C. | -4v |
| D. | -2v |
| Answer» E. | |
| 3. |
Which is not the ideal characteristic of an op-amp? |
| A. | Input Resistance –> 0 |
| B. | Output impedance –> 0 |
| C. | Bandwidth –> ∞ |
| D. | Open loop voltage gain –> ∞ |
| Answer» B. Output impedance ‚Äö√Ñ√∂‚àö√ë‚àö¬®> 0 | |
| 4. |
How will be the output voltage obtained for an ideal op-amp? |
| A. | Amplifies the difference between the two input voltages |
| B. | Amplifies individual voltages input voltages |
| C. | Amplifies products of two input voltage |
| D. | None of the mentioned |
| Answer» B. Amplifies individual voltages input voltages | |
| 5. |
Find the output voltage of an ideal op-amp. If V1 and V2 are the two input voltages |
| A. | V<sub>O</sub>= V<sub>1</sub>-V<sub>2</sub> |
| B. | V<sub>O</sub>= A√ó(V<sub>1</sub>-V<sub>2</sub>) |
| C. | V<sub>O</sub>= A√ó(V<sub>1</sub>+V<sub>2</sub>) |
| D. | V<sub>O</sub>= V<sub>1</sub>√óV<sub>2</sub> |
| Answer» C. V<sub>O</sub>= A‚Äö√†√∂‚àö‚â•(V<sub>1</sub>+V<sub>2</sub>) | |
| 6. |
Ideal op-amp has infinite voltage gain because |
| A. | To control the output voltage |
| B. | To obtain finite output voltage |
| C. | To receive zero noise output voltage |
| D. | None of the mentioned |
| Answer» C. To receive zero noise output voltage | |
| 7. |
An ideal op-amp requires infinite bandwidth because |
| A. | Signals can be amplified without attenuation |
| B. | Output common-mode noise voltage is zero |
| C. | Output voltage occurs simultaneously with input voltage changes |
| D. | Output can drive infinite number of device |
| Answer» B. Output common-mode noise voltage is zero | |
| 8. |
Which of the following electrical characteristics is not exhibited by an ideal op-amp? |
| A. | Infinite voltage gain |
| B. | Infinite bandwidth |
| C. | Infinite output resistance |
| D. | Infinite slew rate |
| Answer» D. Infinite slew rate | |