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Physics · 2024 · 1 mark
CBSE 2024 · Region 5 · Set 3 · Q2
Two insulated concentric coils, each of radius R, placed at right angles to each other, carry currents I and √ 3 I respectively. The magnitude of the…
Two insulated concentric coils, each of radius $\displaystyle \mathrm{R}$, placed at right angles to each other, carry currents I and $\displaystyle \sqrt{3}$ I respectively. The magnitude of the net magnetic field at their common centre will be
Official answer
(D)
$\displaystyle \frac{2 \mu_{\mathrm{o}} \mathrm{I}}{\mathrm{R}}$
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CBSE Class 12 Physics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.