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. |
Which of the following represents the best definition for the diffusion length for holes? |
| A. | tAverage distance which an electron is injected travels before recombining with an electron |
| B. | tAverage distance which a hole is injected travels before recombining with an electron |
| C. | tAverage distance which a hole is injected travels before recombining with a hole |
| D. | tAverage distance which an electron is injected before recombining with a hole |
| Answer» C. tAverage distance which a hole is injected travels before recombining with a hole | |
| 2. |
What is the diffusion length for electrons when Dn=10cm2/s and n=40s? |
| A. | t50cm |
| B. | t25cm |
| C. | t20cm |
| D. | t15cm |
| Answer» D. t15cm | |
| 3. |
What is the diffusion length for holes when Dp=25cm2/s and p=25s? |
| A. | t25cm |
| B. | t1cm |
| C. | t0.04cm |
| D. | t50cm |
| Answer» B. t1cm | |
| 4. |
The current entering the volume at x is I and leaving is I+ i , the number of coulombs per second will be equal to I. Is it true or false? |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 5. |
What does p/ represent? |
| A. | tholes |
| B. | ttime |
| C. | tholes per second lost |
| D. | tp per unit time |
| Answer» D. tp per unit time | |