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Electronics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsElectronics1 Mark
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
     $2: 3$
✓

Answer

Correct option: A.
 $6: 5$
 6 : 5

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