Si and Cu are cooled from 300 K to a temperature of 60 K. Then resistivity:
Physics · Class 12 · CBSE — Current Electricity
Si and Cu are cooled from 300 K to a temperature of 60 K. Then resistivity:
- for Si increases and for Cu decreases
- for Cu increases and for Si decreases
- decreases for both Si and Cu
- increases for both Si and Cu
Answer
(A) for Si increases and for Cu decreases
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