MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is true for a pnp transistor in saturation region? |
| A. | CB junction is reversed bias and the EB junction is forward bias |
| B. | CB junction is forward bias and the EB junction is forward bias |
| C. | CB junction is forward bias and the EB junction is reverse bias |
| D. | CB junction is reversed bias and the EB junction is reverse bias |
| Answer» C. CB junction is forward bias and the EB junction is reverse bias | |
| 2. |
WHICH_OF_THE_FOLLOWING_IS_TRUE_FOR_A_PNP_TRANSISTOR_IN_SATURATION_REGION??$ |
| A. | CB junction is reversed bias and the EB junction is forward bias |
| B. | CB junction is forward bias and the EB junction is forward bias |
| C. | CB junction is forward bias and the EB junction is reverse bias |
| D. | CB junction is reversed bias and the EB junction is reverse bias |
| Answer» C. CB junction is forward bias and the EB junction is reverse bias | |
| 3. |
WHICH_OF_THE_FOLLOWING_IS_TRUE_FOR_A_PNP_TRANSISTOR_IN_ACTIVE_REGION??$ |
| A. | CB junction is reversed bias and the EB junction is forward bias |
| B. | CB junction is forward bias and the EB junction is forward bias |
| C. | CB junction is forward bias and the EB junction is reverse bias |
| D. | CB junction is reversed bias and the EB junction is reverse bias |
| Answer» B. CB junction is forward bias and the EB junction is forward bias | |
| 4. |
For a pnp transistor in the active region the value of Vce (potential difference between the collector and the base) i? |
| A. | Less than 0.3V |
| B. | Less than 3V |
| C. | Greater than 0.3V |
| D. | Greater than 3V |
| Answer» B. Less than 3V | |
| 5. |
The potential difference between the base and the collector Vcb in a pnp transistor in saturation region is ________ |
| A. | -0.2 V |
| B. | -0.5V |
| C. | 0.2 V |
| D. | 0.5 V |
| Answer» C. 0.2 V | |
| 6. |
Which of the following is true for a npn transistor in the saturation region? |
| A. | The potential difference between the collector and the base is approximately 0.2V |
| B. | The potential difference between the collector and the base is approximately 0.3V |
| C. | The potential difference between the collector and the base is approximately 0.4V |
| D. | The potential difference between the collector and the base is approximately 0.5V |
| Answer» E. | |
| 7. |
Which of the following is true for the saturation region of BJT transistor? |
| A. | The collector current is inversely proportional to the base current |
| B. | The collector current is proportional to the square root of the collector current |
| C. | The natural logarithm of the collector current is directly proportional to the base current |
| D. | None of the mentioned |
| Answer» C. The natural logarithm of the collector current is directly proportional to the base current | |
| 8. |
Which of the following is true for a typical active region of an npn transistor? |
| A. | The potential difference between the emitter and the collector is less than 0.5 V |
| B. | The potential difference between the emitter and the collector is less than 0.4 V |
| C. | The potential difference between the emitter and the collector is less than 0.3 V |
| D. | The potential difference between the emitter and the collector is less than 0.2 V |
| Answer» D. The potential difference between the emitter and the collector is less than 0.2 V | |
| 9. |
Which of the following is true for the cut-off region in an npn transistor? |
| A. | Potential difference between the emitter and the base is smaller than 0.5V |
| B. | Potential difference between the emitter and the base is smaller than 0.4V |
| C. | The collector current increases with the increase in the base current |
| D. | The collector current is always zero and the base current is always non zero |
| Answer» C. The collector current increases with the increase in the base current | |
| 10. |
Which of the following condition is true for cut-off mode? |
| A. | The collector current Is zero |
| B. | The collector current is proportional to the base current |
| C. | The base current is non zero |
| D. | All of the mentioned |
| Answer» B. The collector current is proportional to the base current | |