MCQOPTIONS
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This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Power Electronics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
When a physical contact between a p-region & n-region is established which of the following is most likely to take place? |
| A. | Electrons from N-region diffuse to P-region |
| B. | Holes from P-region diffuse to N-region |
| C. | Both of the above mentioned statements are true |
| D. | Nothing will happen |
| Answer» D. Nothing will happen | |
| 2. |
Lets assume that the doping density in the p-region is 10-9 cm-3 & in the n-region is 10-17cm-3, as such the p-n junction so formed would be termed as a |
| A. | p<sup> </sup> n<sup> </sup> |
| B. | p<sup>+</sup> n<sup> </sup> |
| C. | p<sup> </sup> n<sup>+</sup> |
| D. | p<sup>+</sup> n<sup>+</sup> |
| Answer» C. p<sup> </sup> n<sup>+</sup> | |
| 3. |
In the p & n regions of the p-n junction the _________ & the ___________ are the minority charge carriers respectively. |
| A. | holes, holes |
| B. | electrons, electrons |
| C. | holes, electrons |
| D. | electrons, holes |
| Answer» E. | |
| 4. |
In the p & n regions of the p-n junction the _________ & the ___________ are the majority charge carriers respectively. |
| A. | holes, holes |
| B. | electrons, electrons |
| C. | holes, electrons |
| D. | electrons, holes |
| Answer» D. electrons, holes | |