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. |
At absolute zero temperature, which level is below the Fermi energy level in the case of acceptors?a) Donor energy levelb) Valence Bandc) Conduction bandd) Acceptor energy level 9.For the above n-type semiconductor, what is B knows as?a) Valence Bandb) Conduction Bandc) Donor Energy leveld) Acceptor energy levelView Answer 10.For the above given figure, identify the correct option for satisfying the above semiconductor figure? |
| A. | Donor energy levelb) Valence Bandc) Conduction bandd) Acceptor energy level 9.For the above n-type semiconductor, what is B knows as?a) Valence Bandb) Conduction Bandc) Donor Energy leveld) Acceptor energy levelView Answer 10.For the above given figure, identify the correct option for satisfying the above semiconductor figure?a) P type, A-Conduction band, B-donor energy band, C- Valence band |
| B. | Valence Bandc) Conduction bandd) Acceptor energy level 9.For the above n-type semiconductor, what is B knows as?a) Valence Bandb) Conduction Bandc) Donor Energy leveld) Acceptor energy levelView Answer 10.For the above given figure, identify the correct option for satisfying the above semiconductor figure?a) P type, A-Conduction band, B-donor energy band, C- Valence bandb) P type, A-Conduction band, B-acceptor energy band, C- Valence band |
| C. | Conduction bandd) Acceptor energy level 9.For the above n-type semiconductor, what is B knows as?a) Valence Bandb) Conduction Bandc) Donor Energy leveld) Acceptor energy levelView Answer 10.For the above given figure, identify the correct option for satisfying the above semiconductor figure?a) P type, A-Conduction band, B-donor energy band, C- Valence bandb) P type, A-Conduction band, B-acceptor energy band, C- Valence bandc) n type, A-Conduction band, B-donor energy band, C- Valence band |
| D. | Acceptor energy level 9.For the above n-type semiconductor, what is B knows as?a) Valence Bandb) Conduction Bandc) Donor Energy leveld) Acceptor energy levelView Answer 10.For the above given figure, identify the correct option for satisfying the above semiconductor figure?a) P type, A-Conduction band, B-donor energy band, C- Valence bandb) P type, A-Conduction band, B-acceptor energy band, C- Valence bandc) n type, A-Conduction band, B-donor energy band, C- Valence bandd) n type, A-Conduction band, B-acceptor energy band, C- Valence bandView Answer |
| Answer» C. Conduction bandd) Acceptor energy level 9.For the above n-type semiconductor, what is B knows as?a) Valence Bandb) Conduction Bandc) Donor Energy leveld) Acceptor energy levelView Answer 10.For the above given figure, identify the correct option for satisfying the above semiconductor figure?a) P type, A-Conduction band, B-donor energy band, C- Valence bandb) P type, A-Conduction band, B-acceptor energy band, C- Valence bandc) n type, A-Conduction band, B-donor energy band, C- Valence band | |
| 2. |
What do you mean by the tem ‘FREEZE-OUT’? |
| A. | All the electrons are frozen at room temperature |
| B. | None of the electrons are thermally elevated to the conduction band |
| C. | All the electrons are in the conduction band |
| D. | All the holes are in the valence band |
| Answer» C. All the electrons are in the conduction band | |
| 3. |
At absolute zero temperature, which level is below the Fermi energy level in the case of acceptors? |
| A. | Donor energy level |
| B. | Valence Band |
| C. | Conduction band |
| D. | Acceptor energy level |
| Answer» C. Conduction band | |
| 4. |
At T=0 K, the location of Fermi level with respect to the Ec and Ed for the n type material is? |
| A. | Above than conduction band |
| B. | Midway |
| C. | Lower than Ed |
| D. | Greater than Ed |
| Answer» C. Lower than Ed | |
| 5. |
At absolute zero temperature, which level is above the Fermi energy level in the case of donors? |
| A. | Donor energy level |
| B. | Acceptor energy level |
| C. | Conduction Band |
| D. | Valence Band |
| Answer» D. Valence Band | |
| 6. |
Which of the following band is just above the intrinsic Fermi level for n-type semiconductor? |
| A. | Donor band |
| B. | Valence band |
| C. | Acceptor band |
| D. | Conduction band |
| Answer» B. Valence band | |
| 7. |
Which of the following expressions represent the correct formula for the density of electrons occupying the donor level? |
| A. | n<sub>d</sub>=N<sub>d</sub>-N<sub>d</sub><sup>+</sup> |
| B. | n<sub>d</sub>=N<sub>d</sub>-N<sub>d</sub><sup>–</sup> |
| C. | n<sub>d</sub>=N<sub>d</sub>+N<sub>d</sub><sup>+</sup> |
| D. | n<sub>d</sub>=N<sub>d</sub>+N<sub>d</sub><sup>–</sup> |
| Answer» B. n<sub>d</sub>=N<sub>d</sub>-N<sub>d</sub><sup>‚Äö√Ñ√∂‚àö√ë‚àö¬®</sup> | |
| 8. |
What do you mean by the tem ‘FREEZE-OUT’?$ |
| A. | All the electrons are frozen at room temperature |
| B. | None of the electrons are thermally elevated to the conduction band |
| C. | All the electrons are in the conduction band |
| D. | All the holes are in the valence band |
| Answer» C. All the electrons are in the conduction band | |
| 9. |
The opposite of ionization takes place at which temperature? |
| A. | 0 K |
| B. | ROOM |
| C. | 300 K |
| D. | 900K |
| Answer» B. ROOM | |
| 10. |
At what temperature the donor states are completely ionized? |
| A. | 0 K |
| B. | ROOM |
| C. | 300K |
| D. | 900K |
| Answer» C. 300K | |