Q1. | A sample of N type semiconductor has electron density of 6.25 x 10^{8}/cm^{2} at 300 K. If the intrinsic concentration of carriers in this sample is 2.5 x 10^{13}/cm^{3} at this temperature, the hole density works out to be |

A. | 10^{6}/cm^{3} [Wrong Answer] |

B. | 10^{8}/cm^{3} [Correct Answer] |

C. | 10^{10}/cm^{3} [Wrong Answer] |

D. | 10^{l2}/cm^{3} [Wrong Answer] |

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