| %7Y , L HHomework 2...HomeworkGroup A.Q1. Using Fermi function, evaluate the temperature at which there is 1%probability of an electron in a solidhaving energy 0.5 eV above E, of 5 ev.Q2. Using Fermi Distribution function, obtain the value of f(E) for E - E; = 0.01ev at 200 K.03. If the enelevel is lying 0.01 ev above Fermi level in a solid, what is theprobability of this level being occupied by an electron at 270?Q4. Calculate the Fermi energy and Fermi temperature in a metal. The Fermivelocity of electrons in the metal is 0.86 x 10° m/s.Q5. Calculate the temperature at which there is 1% probability of a state withenergy 0.5 ev above Fermi energy.Group B.Q1. Calculate the number of states per unit volume in an energy interval of0.01 ev above the Fermi energy of sodium metal. The Fermi energy of sodiumat 0K = 3 eV.Q2. Assuming all the electrons to be free, calculate the total number of statesbelow E = 5 ev in a volume 105 m³.Q3. The Fermi energy of silver is 5 ev, calculate the number of energy statesfor the free electrons in a cubicalbox of side 0.02 m lying below energy of 3 ev.Q4. The atomic radius of silver which crystallizes in the FCC structure is 1.4 Å.Calculate E,.Q5. Density of free electrons in aluminium is 18.1 x 1028 m. Calculate itsFermi energy at zero Kelvin.

Answered: Image /qna-images/answer/fadfb8ef-fd56-4277-931d-c901696b36ba.jpg

Group A. Q1. Using Fermi function, evaluate the temperature at which there is 1% probability of an electron in a solid having energy 0.5 eV above E, of 5 ev. Q2. Using Fermi Distribution function, obtain the value of f(E) for E - E, = 0.01 ev at 200 K. Q3. If the energy level is lying 0.01 ev above Fermi level in a solid, what is the probability of this level being occupied by an electron at 270?

Group A. Q1. Using Fermi function, evaluate the temperature at which there is 1% probability of an electron in a solid having energy 0.5 eV above E, of 5 ev. Q2. Using Fermi Distribution function, obtain the value of f(E) for E - E, = 0.01 ev at 200 K. Q3. If the energy level is lying 0.01 ev above Fermi level in a solid, what is the probability of this level being occupied by an electron at 270?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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