The intrinsic carrier concentration of silicon sample at 300 K is 1.5 x 1016/m³. If after doping, the number of majority carriers is 5 x 1020/m³. The minority carrier density is

The intrinsic carrier concentration of silicon sample at 300 K is 1.5

1.	The intrinsic carrier concentration of silicon sample at 300 K is 1.5 x 1016/m³. If after doping, the number of majority carriers is 5 x 1020/m³. The minority carrier density is
A.	4.5 x 1011/m³
B.	3.33 x 104/m³
C.	5 x 1020/m³
D.	3 x 10-5/m³
Answer» B. 3.33 x 104/m³