A piece of copper and another of germanium are cooled from room temperature to 80 K. The…
Physics · JEE Advanced · NTA Exams — Current Electricity
A piece of copper and another of germanium are cooled from room temperature to 80 K. The resistance of
- each of them increases
- each of them decreases
- copper increases and germanium decreases
- copper decreases and germanium increases.
Answer
(C) copper increases and germanium decreases
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