CBSE 2026 · Region 2 · Set 1 · Q5 · 1 mark
A straight long wire lying along y-axis, carries a current of $\displaystyle 1$ A along -y direction. The magnetic field due to the conductor at a point ($\displaystyle 50$ cm, $\displaystyle 0$, $\displaystyle 0$) will point along.
Official answer
From CBSE’s own marking scheme for this paper.
(A)
z-axis
Moving Charges and MagnetismMagnetic Field due to a Current Element, Biot-Savart LawApplymcqeasy
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CBSE Class 12 Physics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.