Si and Cu are cooled to a temperature of `300 K`, then resistivityA. for Si increases and for Cu decreasesB. for Cu increases and for Si decreasesC. decreases for both Si and CuD. increases for both Si and Cu

Si and Cu are cooled to a temperature of `300 K`, then resistivityA. f

1.	Si and Cu are cooled to a temperature of `300 K`, then resistivityA. for Si increases and for Cu decreasesB. for Cu increases and for Si decreasesC. decreases for both Si and CuD. increases for both Si and Cu
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Si and Cu are cooled to a temperature of `300 K`, then resistivityA. for Si increases and for Cu decreasesB. for Cu increases and for Si decreasesC. decreases for both Si and CuD. increases for both Si and Cu

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