MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
The switching of power with a NPN transistor is called_________ |
| A. | sourcing current |
| B. | sinking current |
| C. | forward sourcing |
| D. | reverse sinking |
| Answer» C. forward sourcing | |
| 2. |
The switching of power with a PNP transistor is called_________ |
| A. | sourcing current |
| B. | sinking current |
| C. | forward sourcing |
| D. | reverse sinking |
| Answer» B. sinking current | |
| 3. |
The base emitter voltage in a saturation region is_________ |
| A. | greater than 0.7V |
| B. | equal to 0.7V |
| C. | less than 0.7V |
| D. | cannot be predicted |
| Answer» E. | |
| 4. |
THE_SWITCHING_OF_POWER_WITH_A_PNP_TRANSISTOR_IS_CALLED_________?$ |
| A. | sourcing current |
| B. | sinking current |
| C. | forward sourcing |
| D. | reverse sinking |
| Answer» B. sinking current | |
| 5. |
The_switching_of_power_with_a_NPN_transistor_is_called_________$ |
| A. | sourcing current |
| B. | sinking current |
| C. | forward sourcing |
| D. | reverse sinking |
| Answer» C. forward sourcing | |
| 6. |
The base emitter voltage in a saturation region is________? |
| A. | greater than 0.7V |
| B. | equal to 0.7V |
| C. | less than 0.7V |
| D. | cannot be predicted |
| Answer» E. | |
| 7. |
In saturation region, the depletion layer_________ |
| A. | increases linearly with carrier concentration |
| B. | decreases linearly with carrier concentration |
| C. | increases by increasing the emitter current |
| D. | decreases by decreasing the emitter voltage drop |
| Answer» E. | |
| 8. |
The base emitter voltage in a cut off region is_________ |
| A. | greater than 0.7V |
| B. | equal to 0.7V |
| C. | less than 0.7V |
| D. | cannot be predicted |
| Answer» D. cannot be predicted | |
| 9. |
The current which is helpful for LED to turn on is_________ |
| A. | emitter current |
| B. | base current |
| C. | collector current |
| D. | depends on bias |
| Answer» D. depends on bias | |
| 10. |
In which region a transistor acts as a closed switch? |
| A. | cut off region |
| B. | inverted region |
| C. | active region |
| D. | saturated region |
| Answer» E. | |
| 11. |
In which region a transistor acts as an open switch? |
| A. | cut off region |
| B. | inverted region |
| C. | active region |
| D. | saturated region |
| Answer» B. inverted region | |