Read the following statements carefully: : The resistivity of a semiconductor…
PHYSICS · Single correct · CBSE · Physics · Current Electricity · Current Electricity
Problem
Read the following statements carefully: Y: The resistivity of a semiconductor decreases with an increase in temperature. Z: In a conducting solid, the rate of collisions between free electrons and ions increases with an increase in 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