Physics · 2023
JEE Main · 31 January 2023, Shift 1 · Q16
A bar magnet with a magnetic moment 5.0 Am^2 is placed in parallel position relative to a magnetic field of 0.4 T. The amount of required work done…
A bar magnet with a magnetic moment $\displaystyle 5.0 \mathrm{Am}^2$ is placed in parallel position relative to a magnetic field of $\displaystyle 0.4$ T. The amount of required work done in turning the magnet from parallel to antiparallel position relative to the field direction is
$\displaystyle \_\_\_\_$.
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 4$ J
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.