MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
In Hall Effect, the electric field applied is perpendicular to both current and magnetic field? |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 2. |
What is the conductivity when the Hall Effect coefficient is 5 and mobility is 5cm2 /s. |
| A. | t100 S/m |
| B. | t10 S/m |
| C. | t0.0001S/m |
| D. | t0.01 S/m |
| Answer» D. t0.01 S/m | |
| 3. |
Calculate the Hall Effect coefficient when number of electrons in a semiconductor is 1020. |
| A. | t0.625 |
| B. | t0.0625 |
| C. | t6.25 |
| D. | t62.5 |
| Answer» C. t6.25 | |
| 4. |
Which of the following formulae doesn t account for correct expression for J? |
| A. | v |
| B. | I/wd |
| C. | E |
| D. | H |
| Answer» E. | |
| 5. |
Which of the following parameters can t be found with Hall Effect? |
| A. | tPolarity |
| B. | tConductivity |
| C. | tCarrier concentration |
| D. | tArea of the device |
| Answer» E. | |
| 6. |
In the Hall Effect, the directions of electric field and magnetic field are parallel to each other.
|
| A. | tTrue |
| B. | tFalse |
| Answer» C. | |