Read the following statements carefully
`Y`: The resistivity of semiconductor decreases with increases of temperature.
`Z`: In a conducing solid, the rate of collisions between free electrons and ions increases with the increase of temperature.
Select the correct statement (`s`) 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 `Z` and `Z` is the correct reason for `Y`

Options

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

Answer

C

Explanation

c. Both are basic facts.