Which of the following statements are true? Select one or more: a. Dislocations and defects make thermal transfer easy due to plastic deformation b. Starting at room temperature, the heat conductivity of ceramics goes generally up with increasing temperature c. Starting at room temperature, the heat conductivity of ceramics goes generally down with increasing temperature d. Dislocations and defects make thermal transfer difficult due to phonon scattering e. Heat transfer in solids occurs mainly by waves of atoms vibrating f. Heat transfer in solids occurs mainly by phonons
Which of the following statements are true? Select one or more: a. Dislocations and defects make thermal transfer easy due to plastic deformation b. Starting at room temperature, the heat conductivity of ceramics goes generally up with increasing temperature c. Starting at room temperature, the heat conductivity of ceramics goes generally down with increasing temperature d. Dislocations and defects make thermal transfer difficult due to phonon scattering e. Heat transfer in solids occurs mainly by waves of atoms vibrating f. Heat transfer in solids occurs mainly by phonons
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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Question
Which of the following statements are true?
Select one or more:
a.
Dislocations and defects make thermal transfer easy due to plastic deformation
b.
Starting at room temperature, the heat conductivity of ceramics goes generally up with increasing temperature
c.
Starting at room temperature, the heat conductivity of ceramics goes generally down with increasing temperature
d.
Dislocations and defects make thermal transfer difficult due to phonon scattering
e.
Heat transfer in solids occurs mainly by waves of atoms vibrating
f.
Heat transfer in solids occurs mainly by phonons
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