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On heating one end of a piece of a metal...

On heating one end of a piece of a metal, the other end becomes hot because of

A

Energised electrons moving to the other end

B

Minor perturbation in the energy of atoms

C

Resistance of the metal

D

Mobility of atom in the metal.

Text Solution

Verified by Experts

The correct Answer is:
A
Conductivity of heat in metals is due to the free electrons, which move due to increase in temperature.
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