Question

Variation of conductivity with temperature for metallic conductor

Answer 1

Answer:

The electrical conductivity of a metallic conductor will decrease with an increase in temperature. The electrical conductivity of an ionic conductor will increase with an increase in temperature. The kinetic energy of the ions increases as the temperature is increased which increases the conductivity.

Answer 2

Answer:

$sigma = n {e}^{2} t \div m$

with rise in temprature the collision of electrons increases hence the relaxation time and !ean free path also decreases . so, conductivity decreases

Explanation:

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