Physics · 2021
JEE Main · 31 August 2021, Shift 2 · Q17
A current of 1.5 A is flowing through a triangle, of side 9 cm each. The magnetic field at the centroid of the triangle is: (Assume that the current…
A current of $\displaystyle 1.5$ A is flowing through a triangle, of side $\displaystyle 9$ cm each. The magnetic field at the centroid of the triangle is :
(Assume that the current is flowing in the clockwise direction.)
Official answer
(1)
$\displaystyle 3 \times 10^{-5} \mathrm{~T}$, inside the plane of triangle
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.