MCQOPTIONS
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MCQOPTIONS
| 1. |
A semiconducting crystal 12mm long, 5mm wide and 1mm thick has a magnetic flux density of 0.5Wb/m2 applied from front to back perpendicular to largest faces. When a current of 20mA flows length wise through the specimen, the voltage measured across its width is found to be 37μV. What is the Hall coefficient of this semiconductor?$ |
| A. | 37√ó10<sup>-6</sup> m<sup>3</sup>/C |
| B. | 3.7√ó10<sup>-6</sup> m<sup>3</sup>/C |
| C. | 3.7√ó10<sup>6</sup> m<sup>3</sup>/C |
| D. | 0 |
| Answer» C. 3.7‚Äö√†√∂‚àö‚â•10<sup>6</sup> m<sup>3</sup>/C | |