Home
Class 11
PHYSICS
SI unit of coefficient of thermal conduc...

SI unit of coefficient of thermal conductivity

A

`W m^(-1) K^(-1)`

B

`Wm^(-2) K^(-1)`

C

`WmK^(-1)`

D

`Wm^(-1) K^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

(A) : Greater is the coefficient of thermal conductivity of a material, smaller is the thermal resistance of a rod of that material. ( R): Thermal resistance is the ratio of temperature difference between the ends of the conductor and rate of flow of heat.

Explain thermal conductivity and coefficient of thermal conductivity. A copper bar of thermal conductivity 401 W (mK) has one end at 104^(@)C and the other end at 24^(@)C . The length of the bar is 0.10 m and the cross- sectional area is 1.0 x 10^(-6)m^(-2) What is the rate of heat conduction , along the bar ?

Two identical conductors made of metals of coefficients of thermal conductivities K_(1), K_(2) such that (K_(1)ltK_(2)) are given Statement (A) : Under series connection the effective coefficient of thermal conductivity (K_(S)) is such that K_(1)ltK_(S)ltK_(2) Statement (B) : Under parallel connection the effective coefficient of thermal conductivity (K_(P)) is such that K_(P)=(K_(1)+K_(2))/2

Obtain the dimensional formula for the Coefficient of thermal conductivity.

Define coefficient of thermal conductivity and temperature gradient.