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