Q 2 please Q.₁.Choose the most correct answer for the following questions1. With increasing melting point, the activation energy for diffusion generally becomesA. lower.B. higher.2. Burgers vector (b) is used to:A. Determine the type of distortion.B. Describe the size and the direction of the lattice distortion caused by a dislocation.C. Describe the size and the direction of the lattice distortion caused by a vacancy.D. Determine the distortion density.3. Diffusion faster for:A. Close-packed structures.4. Substitutional diffusionA. Requires existence of vacancies.C. Needs to overcome an energy barrier.5. Schottky-defect in ceramic material isA. Interstitial impurity.C. Substitutional impurity.6. Drive-in diffusion in ICs, is used to:C. same. D. Depends on the degree of melting temperature rise.B. Lower melting T materials. C. Larger diffusing atoms.1B. Vacancy-interstitial pair of cations.D. Pair of nearby cation and anion vacancies.B. Becomes faster with increasing temperature.D. All of the above.A. Diffuse the impurity atoms into the silicon from a gas phase.B. Diffuse the impurity atoms into the silicon from a liquid phase.C. Transport impurity atoms farther into the silicon to provide a more suitable concentration distribution withoutincreasing the overall impurity content.D. Transport impurity atoms farther into the silicon to provide a more suitable concentration distribution withincreasing the overall impurity content7. In interstitial solid solution, the solute atoms occupyB. Normal solvent atom sites.A. Interstitial sites.23D. All mentioned.C. Changes the crystal structure of solvent. D. Vacancy sites4567

The significance or use of burger's vector has been asked in the question.

A. low 2. Burgers vector (b) is used to: A. Determine the type of distortion. B. Describe the size and the direction of the lattice distortion caused by a dislocation. C. Describe the size and the direction of the lattice distortion caused by a vacancy. D. Determine the distortion density. diffusing atoms. D.

A. low 2. Burgers vector (b) is used to: A. Determine the type of distortion. B. Describe the size and the direction of the lattice distortion caused by a dislocation. C. Describe the size and the direction of the lattice distortion caused by a vacancy. D. Determine the distortion density. diffusing atoms. D.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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