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Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
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Materials and Components
A piece of copper and another piece of Germanium are cooled from 30°C to 80 K. The resistance of
copper decreases and germanium increases
both decreases
both increases
copper increases and germanium decreases
Show Answer
Correct Answer:
copper decreases and germanium increases
Explanation:
As temperature is decreased, resistance of conductors decreases and resistance of semiconductors increases.
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