Physics · 2022
NEET 2022 · 17 July · Code R6 · Q42
From Ampere's circuital law for a long straight wire of circular cross-section carrying a steady current, the variation of magnetic field in the…
From Ampere's circuital law for a long straight wire of circular cross-section carrying a steady current, the variation of magnetic field in the inside and outside region of the wire is :
Official answer
From NTA’s final answer key for this paper.
(4)
a linearly increasing function of distance $\displaystyle r$ upto the boundary of the wire and then decreasing one with $\displaystyle 1 / \mathrm{r}$ dependence for the outside region.
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NEET (UG) 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.