Define thermal conductivity, Physics

Assignment Help:

In solids, heat is move from conduction. We will study conduction of heat energy by a solid bar in the following section.

Given a solid bar of thickness and area of cross-section A. The left side of the bar is get at a temperature ΦA and right side at ΦB.

Let us consider that ΦA > ΦB.     

Heat moves from high to low temperature i.e., from left side to right side, as given in fig.

After some time, temperature of each section becomes constant with time. This is called as steady state.

 

1879_22.png


Related Discussions:- Define thermal conductivity

Explain surface imperfection, Surface Imperfection: These are two dimensio...

Surface Imperfection: These are two dimensional and refer to a region of distortions that lies around a surface having a thickness of a some atomic diameters.

Suidqs (super conducting quantum interference devices), SQUIDs, or super co...

SQUIDs, or super conducting Quantum interference devices are used to measure minute changes in magnetic flux by means of a pair of Josephson junctions, often used to detect extrem

What are ferrites, What are ferrites? Ferrites are ceramic compounds ha...

What are ferrites? Ferrites are ceramic compounds having trivalent metal having three valence electrons, iron and oxide of divalent element

Magnetic force does the wire experience, Consider a 10 cm long portion of a...

Consider a 10 cm long portion of a straight wire having a current of 10 A placed in a magnetic field of 0.1 T making an angle of 530  with the wire. What magnetic force does the wi

Black body radiation, what is black body? explain black body radiation with...

what is black body? explain black body radiation with example

What is the boat speed relative to the dock, A river is flowing 4.0 m/s to ...

A river is flowing 4.0 m/s to the east. A boater on the south shore plans to reach a dock on the north shore 30.0° downriver by heading directly across the river. a. What shoul

What is the essential effect of a magnetic field, What is the essential eff...

What is the essential effect of a magnetic field? Answer: A magnetic field is an imperceptible entity that exists in a region of space that may be void of all matter in th

Joule''s law, applications of joule''s law?

applications of joule''s law?

What are characteristics of an ideal operational amplifier, What are differ...

What are different characteristics of an ideal operational amplifier?  Ans: Characteristics of an ideal Operational Amplifier: (1) Infinite voltage gain A (2) Infinite

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd