CBSE 2023 · Region 2 · Set 2 · Q7 · 1 mark
A steady current of $\displaystyle 8$ mA flows through a wire. The number of electrons passing through a cross-section of the wire in $\displaystyle 10$ s is
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle 5.0 \times 10^{17}$
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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.