MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In an NPN silicon transistor, α=0.995, IE=10mA and leakage current ICBO=0.5µA. Determine ICEO. |
| A. | 10µA |
| B. | 100µA |
| C. | 90µA |
| D. | 500µA |
| Answer» C. 90µA | |
| 2. |
Which of the following acts as a buffer? |
| A. | CC amplifier |
| B. | CE amplifier |
| C. | CB amplifier |
| D. | cascaded amplifier |
| Answer» B. CE amplifier | |
| 3. |
In the given circuit, find the equivalent resistance between A and B nodes. |
| A. | 100kΩ |
| B. | 50kΩ |
| C. | 40kΩ |
| D. | 60kΩ |
| Answer» C. 40kΩ | |
| 4. |
A transistor has hfe=100, hie=2kΩ, hoe=0.005mmhos, hre=0. Find the output impedance if the lad resistance is 5kΩ. |
| A. | 5kΩ |
| B. | 4kΩ |
| C. | 20kΩ |
| D. | 15kΩ |
| Answer» C. 20kΩ | |
| 5. |
The feature of an approximate model of a transistor is |
| A. | it helps in quicker analysis |
| B. | it provides individual analysis for different configurations |
| C. | it helps in dc analysis |
| D. | ac analysis is not possible |
| Answer» B. it provides individual analysis for different configurations | |