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The ratio of electron and hole current in a semiconductor is 7/4 and the ratio of drift velocities of electrons and holes is 5/4, then ratio of concentrations of electrons and holes will be

a)

5/7

b)

7/5

c)

25/49

d)

49/75



Question ID - 151441 | SaraNextGen Top Answer

The ratio of electron and hole current in a semiconductor is 7/4 and the ratio of drift velocities of electrons and holes is 5/4, then ratio of concentrations of electrons and holes will be

a)

5/7

b)

7/5

c)

25/49

d)

49/75

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

(b)

or  

127 votes


127