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1. |
A sample of N type semiconductor has electron density of 6.25 x 10⁸/cm² at 300 K. 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 | |