Read the following statements carefully :
$Y :$ The resistivity of a semiconductor decreases with increases of temperature.
$Z :$ In a conducting solid, the rate of collision between free electrons and ions increases with increase of temperature.
Select the correct statement from the following :
Medium
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The conductivity of a semiconductor increases with increases in temperature
i.e. the resistivity decreases with increases in temperature.
In a conducting solid, the collisions become more frequent with increase of temperature.
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