Current Electricity and Electrical InstrumentHard
Question
The contribution in the total current flowing through a semiconductor due to electrons and holes are 
and 
respectively. If the drift velocity of electrons is 
times that of holes at this temperature, then the ratio of concentration of electrons and holes is -
and respectively. If the drift velocity of electrons is times that of holes at this temperature, then the ratio of concentration of electrons and holes is -Options
A.6 : 5
B.5 : 6
C.3 : 2
D.2 : 3
Solution
As we know current density J = nqv
⇒ Je = neqve and Jh = nhqvh
⇒
⇒ Je = neqve and Jh = nhqvh
⇒
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