NEET Physics Semiconductor Electronics Questions Solved

The contribution in the total current flowing through a semiconductor due to electrons and holes are 34 and 14 respectively. If the drift velocity of electrons is 52 times that of holes at this temperature, then the ratio of concentration of electrons and holes is
(a) 6 : 5                 (b) 5 : 6
(c) 3 : 2                 (d) 2 : 3

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