MCQOPTIONS
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MCQOPTIONS
| 1. |
If the ratio of the concentration of electrons to that of holes in a semiconductor is \[\frac{7}{5}\] and the ratio of currents is \[\frac{7}{4},\] then what is the ratio of their drift velocities? |
| A. | \[\frac{5}{8}\] |
| B. | \[\frac{4}{5}\] |
| C. | \[\frac{5}{4}\] |
| D. | \[\frac{4}{7}\] |
| Answer» D. \[\frac{4}{7}\] | |