Physics · 2023
JEE Main · 24 January 2023, Shift 1 · Q18
A circular loop of radius r is carrying current I A. The ratio of magnetic field at the center of circular loop and at a distance r from the center…
A circular loop of radius $\displaystyle r$ is carrying current I A. The ratio of magnetic field at the center of circular loop and at a distance r from the center of the loop on its axis is:
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 2 \sqrt{2}: 1$
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.