A) The conductivity of metals decreases with increase in temperature.
B) The conductivity of semiconductors increases with increase in temperature.
C) There is no superconductor at room temperature.
D) Ionic solids conduct electricity due to presence of ions.
Correct Answer: D
Solution :
Ionic solids conduct electricity not due to presence of ions but due to presence of defects.You need to login to perform this action.
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