- Materials and Components - Section 1
- Materials and Components - Section 2
- Materials and Components - Section 3
- Materials and Components - Section 4
- Materials and Components - Section 5
- Materials and Components - Section 6
- Materials and Components - Section 7
- Materials and Components - Section 8
- Materials and Components - Section 9


Materials and Components - Engineering
Q1: A piece of copper and another piece of Germanium are cooled from 30°C to 80 K. The resistance ofA
copper decreases and germanium increases
B
both decreases
C
both increases
D copper increases and germanium decreases
ANS:A - copper decreases and germanium increases As temperature is decreased, resistance of conductors decreases and resistance of semiconductors increases. |


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