MCQ
The contribution in the total current flowing through a semiconductor due to electrons and holes are $\frac{3}{4}$ and $\frac{1}{4}$ respectively. If the drift velocity of electrons is $\frac{5}{2}$ times that of holes at this temperature, then the ratio of concentration of electrons and holes is
- ✓$6 : 5$
- B$5 : 6$
- C$3 : 2$
- D$2 : 3$
