Question

Why does the conductance of electronic conductors decrease with an increase in temperature?

Answer 1

Explanation:

As we increase it's temperature, the thermal electrons in a conductor become more, because increasing temperature gives them energy and they come out of their respective atoms and come to lie in the conduction zone.

Consequently, more electrons in the field leads to more inter-electronic collisions and hence, it's resistivity increases.

So, the conductivity or conductance decreases.

Answer 2

Answer:

Hence on increasing the temperature their path is obstructed by other atoms that why conductance decreases when whe consider ionic conductance in fluidsrice in temperature helps the ions to get exited in travel more distance i,e. their mean free path increases resulting in more free movement of these ions

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