N-type Si, GaAs and 4H SiC are all doped to the level of ND = 10^17 cm-3. Determine the volumes of each of these semiconductors that will in average contain 1 hole. The intrinsic carrier concentrations are 1.02 × 10^10 cm-3, 2.1 × 10^6 cm-3 and 10-7 cm-3, respectively. show your calculations steps

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N-type Si, GaAs and 4H SiC are all doped to the level of ND = 10^17 cm-3. Determine the volumes of each of these semiconductors that will in average contain 1 hole. The intrinsic carrier concentrations are 1.02 × 10^10 cm-3, 2.1 × 10^6 cm-3 and 10-7 cm-3, respectively.

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