In intrinsic semiconductor at 300 K, the magnitude of free electron concentration in silicon is about

In intrinsic semiconductor at 300 K, the magnitude of free electron co

1.	In intrinsic semiconductor at 300 K, the magnitude of free electron concentration in silicon is about
A.	15 x 10⁴ per cm³
B.	5 x 10¹² per cm³
C.	1.45 x 10¹ᴼ per cm³
D.	1.45 x 10⁶ per cm³
Answer» D. 1.45 x 10⁶ per cm³