A metal has a certain fraction f = 105 of vacancies at the atomic level at finite temperatures. If the activation energy for vacancy formation was increased by 50%, what would be the new vacancy concentration? Select one: O a. 7.43E-10 Ob. 6.22 E-5 O C. 1.24E-6 O d. 3.16E-8 O e. 5.48E-4

A metal has a certain fraction f = 105 of vacancies at the atomic level at finite temperatures. If the activation energy for vacancy formation was increased by 50%, what would be the new vacancy concentration? Select one: O a. 7.43E-10 Ob. 6.22 E-5 O C. 1.24E-6 O d. 3.16E-8 O e. 5.48E-4

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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Concept explainers

Crystalline Imperfections

The crystalline imperfections are described as the geometrical defects in the crystal due to incorrect arrangement of atoms, impurity, vacancy, and many more. It is not possible to achieve a perfect or ideal crystal, practically.

Question

A metal has a certain fraction f = 105 of vacancies at the atomic level at finite temperatures. If the activation energy for vacancy formation was
increased by 50%, what would be the new vacancy concentration?
Select one:
a. 7.43E-10
b. 6.22 E-5
C.
1.24E-6
O d. 3.16E-8
e.
5.48E-4

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