The resistance of a metal decreases with the decrease in temperature, whereas, in case of a semiconducting material resistance increases with decreases in temperature.
Therefore, when cooled, resistance of copper decreases and resistance of germanium increases.
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Hi, ✋The resistance of a metal decreases with the decrease in temperature, whereas, in case of a semiconducting material resistance increases with decreases in temperature.
Therefore, when cooled, resistance of copper decreases and resistance of germanium increases.
I hope, it will help You! ☺ ☺