Question

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 :

A

Y is true but Z is false

B

Y is false but Z is true.

C

Both Y and Z are true.

D

Y is true and Z is the correct reason for Y.

Hard

Solution

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Correct option is C)
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