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QUESTION
1.When a piece of copper and another of germanium are cooled from room temperature to 800 K then the resistance of - a) Each of them increases b)
1.When a piece of copper and another of germanium are cooled from room temperature to 800 K then the resistance of -
a) Each of them increases
b) Each of them decreases
c) Copper increases and germanium decreases
d) Copper decreases and germanium increases
