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Physics · 2026 · 1 mark
CBSE 2026 · Region 2 · Set 2 · Q8
Which of the following substance has relative magnetic permeability μ_r ≫ 1?
Which of the following substance has relative magnetic permeability $\displaystyle \mu_{\mathrm{r}} \gg 1$ ?
Official answer
(D)
Nickel
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CBSE Class 12 Physics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.