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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 radio of concentration of electrons and holes is

a)

6 : 5

b)

5 : 6

c)

3 : 2

d)

2 : 3



Question ID - 151440 | SaraNextGen Top Answer

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 radio of concentration of electrons and holes is

a)

6 : 5

b)

5 : 6

c)

3 : 2

d)

2 : 3

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

As we know, current density

and             

127 votes


127