MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
Limitation of an output stage amplifier, if it emitter follower with complementary transistor |
| A. | Cross-over distortion |
| B. | Low impedance output |
| C. | Shift in level |
| D. | Active load current |
| Answer» B. Low impedance output | |
| 2. |
What is the need for level shifter in operational amplifier? |
| A. | Level the quiescent voltage |
| B. | Remove distortion at output |
| C. | Limits the output voltage |
| D. | Increase the quiescent voltage |
| Answer» D. Increase the quiescent voltage | |
| 3. |
Load resistors (Re) is neglected for maximizing the voltage gain in amplifier because, |
| A. | Requires large chip are |
| B. | Requires large power supply |
| C. | Quiescent drop across Re increases |
| D. | All of the mentioned |
| Answer» E. | |
| 4. |
The input voltage of a difference amplifier are 2.5v and 4.9v. If the transconductance is 0.065 -1, determine the load current entering the next stage |
| A. | 0.156A |
| B. | 1.56A |
| C. | 0.156mA |
| D. | 15.6 A |
| Answer» B. 1.56A | |
| 5. |
In Darlington pair differential amplifier the current gain is given as 100. Where IB1=5 A and IC1=0.35mA. Determine IC2 |
| A. | 0.5mA |
| B. | 1.5mA |
| C. | 2mA |
| D. | 0.15mA |
| Answer» E. | |
| 6. |
To increase the input resistance, the differential amplifier replaces transistor by |
| A. | Current mirror |
| B. | Current repeater |
| C. | Darlington pair |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |