A piece of Copper and another of Germanium are cooled from room temperature to 77 K, the…
Physics · JEE Main · NTA Exams — Electronic Devices
A piece of Copper and another of Germanium are cooled from room temperature to 77 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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