Question

In the case of conductors, as the temperature decreases, resistivity

(a) decreases (b) increases (c) remains constant (d) becomes zero​

Answer 1

Answer:

The conductivity increases means the resistivity decreases. Thus when the temperature is increased in a semiconductor, the density of the charge carriers also increases and the resistivity decreases.

Explanation:

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Answer 2

Answer:

decrease

Explanation:

The resistivity of conductors increases with rise in temperature. As the temperature of the conductor increases, the average speed of the electrons acting as the current carriers increases. This in result increases the number of collisions and the average time of collisions decreases with temperature.

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