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1. The effective density of electrons in the conduction band is 2.8×10¹⁹ cm at room temperature and the intrinsic fermi level is 0.25 eV belw energy of the conduction band. Find the number of electrons in conduction band. 2. Calculate the number of holes in valence band at 300 °K if the effective density of holes in the valenc band is 1.04 x10¹9 cm³ and the intrinsic fermi level is 0.27 eV above energy of the valenc band. 3

1. The effective density of electrons in the conduction band is 2.8×10¹⁹ cm at room temperature and the intrinsic fermi level is 0.25 eV belw energy of the conduction band. Find the number of electrons in conduction band. 2. Calculate the number of holes in valence band at 300 °K if the effective density of holes in the valenc band is 1.04 x10¹9 cm³ and the intrinsic fermi level is 0.27 eV above energy of the valenc band. 3

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1. The effective density of electrons in the conduction band is 2.8×10¹⁹ cm at room temperature and the intrinsic fermi level is 0.25 eV belw energy of the conduction band. Find the number of electrons in conduction band. 2. Calculate the number of holes in valence band at 300 °K if the effective density of holes in the valenc band is 1.04 x10¹9 cm ³ and the intrinsic fermi level is 0.27 eV above energy of the valenc band. 3 3 3. Prove that N = 4.828 × 10²¹ (T m
Transcribed Image Text:1. The effective density of electrons in the conduction band is 2.8×10¹⁹ cm at room temperature and the intrinsic fermi level is 0.25 eV belw energy of the conduction band. Find the number of electrons in conduction band. 2. Calculate the number of holes in valence band at 300 °K if the effective density of holes in the valenc band is 1.04 x10¹9 cm ³ and the intrinsic fermi level is 0.27 eV above energy of the valenc band. 3 3 3. Prove that N = 4.828 × 10²¹ (T m
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