MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communication knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Electric field in the depletion region should be high. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The process of excitation of an electron from valence band to conduction band leaves an empty hole in the valence band and is called as ____________ |
| A. | Detection |
| B. | Absorption |
| C. | Degeneration of an electron-hole pair |
| D. | Regeneration of an electron-hole pair |
| Answer» E. | |
| 3. |
P-n photodiode is forward biased. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
How many types of optical detectors are available? |
| A. | One |
| B. | Four |
| C. | Two |
| D. | Three |
| Answer» E. | |
| 5. |
The photocurrent of an optical detector should be __________ |
| A. | Less |
| B. | More |
| C. | Linear |
| D. | Non-linear |
| Answer» D. Non-linear | |
| 6. |
Electric field in the depletion region should be high. State whether the given statement is true or false. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
The electron hole pairs generated in a photodiode are separated by the ____________ |
| A. | Magnetic field |
| B. | Electric field |
| C. | Static field |
| D. | Depletion region |
| Answer» C. Static field | |
| 8. |
__________________ always leads to the generation of a hole and an electron. |
| A. | Repulsion |
| B. | Dispersion |
| C. | Absorption |
| D. | Attenuation |
| Answer» D. Attenuation | |
| 9. |
The process of excitation of an electron from valence band to conduction band leaves an empty hole in the valence band and is called as |
| A. | Detection |
| B. | Absorption |
| C. | Degeneration of an electron-hole pair |
| D. | Regeneration of an electron-hole pair |
| Answer» E. | |
| 10. |
The depletion region must be ____________ to allow a large fraction of the incident light to be absorbed in the device(photodiode). |
| A. | Thick |
| B. | Thin |
| C. | Long |
| D. | Inactive |
| Answer» B. Thin | |
| 11. |
P-n photodiode is forward biased. State whether the given statement is true or false. |
| A. | True |
| B. | False |
| Answer» C. | |