CBSE 2023 · Region 3 · Set 1 · Q3 · 1 mark
The current density due to drift of electrons in a conductor is given by : (symbols have their usual meanings)
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle \mathrm{n} \mathrm{e} \mathrm{v}_{\mathrm{d}}$
Current ElectricityDrift of Electrons and the Origin of ResistivityRemembermcqeasy
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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.