MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A homo-junction is an interface between two adjoining single-crystal semiconductors with different band-gap energies. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Calculate the radioactive minority carrier lifetime in gallium arsenide when the minority carriers are electrons injected into a p-type semiconductor region which has a hole concentration of 1018cm-3. The recombination coefficient for gallium arsenide is 7.21*10-10cm3s-1. |
| A. | 2ns |
| B. | 1.39ns |
| C. | 1.56ns |
| D. | 2.12ms |
| Answer» C. 1.56ns | |
| 3. |
The recombination in indirect band-gap semiconductors is slow. |
| A. | True |
| B. | False |
| Answer» B. False | |