A sample of N-type semiconductor has electron density of 6.25 x 10¹⁸/cm³ at 300k. If the intrinsic concentration of carriers in this sample is 2.5 x 10¹³/cm³ at this temperature the hole density works out to be

A sample of N-type semiconductor has electron density of 6.25 x 10¹�

1.	A sample of N-type semiconductor has electron density of 6.25 x 10¹⁸/cm³ at 300k. If the intrinsic concentration of carriers in this sample is 2.5 x 10¹³/cm³ at this temperature the hole density works out to be
A.	10⁶/cm³
B.	10⁸/cm³
C.	10¹ᴼ/cm³
D.	10¹²/cm³
Answer» C. 10¹ᴼ/cm³