Question :
Read the following statements carefully Y: The resistivity of a semiconductor decreases with increase of temperature Z : In a conducting solid, rate of collisions between free electrons and ions increases with increases of temperature Select the correct statements (s) from the following
1. Both Y and Z are true
2. Y is false but Z is true
3. Y is true and Z is the correct reason for Y
4. Y is true but Z is false
Answer :
1 - Both Y and Z are true
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