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प्रश्न
A piece of copper and another of germanium are cooled from room temperature to 80 K. The resistance of ______.
विकल्प
each of them increases
each of them decreases
copper increases and germanium decreases
copper decreases and germanium increases
MCQ
रिक्त स्थान भरें
उत्तर
A piece of copper and another of germanium are cooled from room temperature to 80 K. The resistance of copper decreases and germanium increases.
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