You have smooth slabs of Titanium (Ti), polycrystalline silica (SiO2), and atactic PS. Rank them from highest to lowest:Thermal conductivity (k) Heat capacity (Cp) Energy band gap (Eg) Thermal expansion coefficient (a) Transparency Resistivity

Answered: You have smooth slabs of Titanium (Ti),…

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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You have smooth slabs of Titanium (Ti), polycrystalline silica (SiO₂), and atactic PS. Rank them from highest to lowest:
1. Thermal conductivity (k)

Heat capacity (Cp)

Energy band gap (Eg)

Thermal expansion coefficient (a)

Transparency

Resistivity

Expert Solution

Step 1

1. Thermal conductivity (k).

The thermal conductivity is a characteristic of a material that allows the heat to transfer through this material. If the thermal conductivity is high, then the conduction of heat through this material is high and vice versa.

Titanium (Ti) = 21.9 W/m·K.
Polycrystalline silica (SiO₂) = 1.5 W/m·K.
Atactic PS = 0.025 W/m·K.

1. Heat capacity (Cp).

It is defined as the heat absorbed by any material corresponding to the temperature change. It is the function of temperature and varies with different materials.

Polycrystalline silica (SiO₂) = 720 J/kg·K.
Atactic PS = 1.3 J/kg·K.
Titanium (Ti) = 0.52 J/kg·K.

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