Banking
Physics
Semiconducting Devices
Question Bank
Semiconductor Electronics
question_answer
In a semiconductor, the concentration of electrons is \[8\times {{10}^{14}}/c{{m}^{3}}\]and that of the holes is \[5\times {{10}^{12}}/c{{m}^{3}}\]. The semiconductor is
A) p-type
B) n-type
C) intrinsic
D) Cannot say
Correct Answer:
B
Solution :
Since, \[{{n}_{e}}>{{n}_{h}},\] the semiconductor is n-type.