Question

Contrast the temperature dependence of electrical conductivity in metals and semiconductors.

Answer 1

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➡From the conductivity equation it is clear that, the electrical conductivity is inversely proportional to temperature which means that when temperature increases, conductivity of metals decreases and conductivity of metals increases with decrease in temperature.

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Answer 2

when the temperature of a semiconductor is increased, its electrical conductivity also increases.

The electrical conductivity of a metal decrease with increase in its temperature

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