CBSE 2023 · Region 2 · Set 1 · Q14 · 1 mark
Pieces of copper and of silicon are initially at room temperature. Both are heated to temperature T. The conductivity of
Official answer
From CBSE’s own marking scheme for this paper.
(D)
copper decreases and silicon increases.
Current ElectricityTemperature Dependence of ResistivityUnderstandmcqmedium
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CBSE Class 12 Physics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.