Question
Question: Which one of the following statement is wrong?...
Which one of the following statement is wrong?
A
The conductivity of metals decreases with increases in temperature.
B
The conductivity of semiconductors increases with increases in temperature.
C
There is no superconductor at room temperature.
D
Ionic solids conduct electricity due to presence of ions.
Answer
Ionic solids conduct electricity due to presence of ions.
Explanation
Solution
Ionic solids conduct electricity not due to presence of ions but due to presence of defects.