A sample of N type semiconductor has an electron density of 6.25 x 10� – McqOptions

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

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