MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Rate of change of concentration per unit length in a semiconductor is called as. |
| A. | Concentration change |
| B. | Concentration mixture |
| C. | Concentration gradient |
| D. | Concentration variant |
| Answer» D. Concentration variant | |
| 2. |
When there is an open circuit what will be the net hole current. |
| A. | 5A |
| B. | 0.05A |
| C. | 0.5A |
| D. | 0A |
| Answer» E. | |
| 3. |
The drift velocity is 5V and the applied electric field intensity 20v/m what will be the mobility of charge carriers. |
| A. | 100 m<sup>2</sup>/ (vs) |
| B. | 4 m<sup>2</sup>/ (vs) |
| C. | 15 m<sup>2</sup>/ (vs) |
| D. | 0.25 m<sup>2</sup>/ (vs) |
| Answer» E. | |
| 4. |
Which of the factors doesn t change the diode current. |
| A. | Temperature |
| B. | External voltage applied to the diode |
| C. | Boltzmann s constant |
| D. | Resistance |
| Answer» E. | |
| 5. |
What is the thickness of space charge region or transition region in P-N junction diode? |
| A. | 1 micron |
| B. | 5 micron |
| C. | 10 micron |
| D. | 2.876 micron |
| Answer» B. 5 micron | |