Which onr of the following statements is wrong ? – InterviewSolution

InterviewSolution

1.	Which onr of the following statements is wrong ?
Answer» The conductivity of metals decreases withincrease in temperature The conductivity of semiconductors increases with increasein temperature There is no superconductor at ROOM temper -ture Ionic solids CONDUCT ELECTRICITY due to PRESENCE of ions . SOLUTION :Ionic solids conduct electricity not due to presence of ions but due to presence of defects .

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