Physics · 2021
JEE Main · 26 February 2021, Shift 1 · Q12
Find the electric field at point P (as shown in figure) on the perpendicular bisector of a uniformly charged thin wire of length L carrying a charge…
Find the electric field at point P (as shown in figure) on the perpendicular bisector of a uniformly charged thin wire of length $\displaystyle L$ carrying a charge $\displaystyle Q$. The distance of the point $\displaystyle P$ from the centre of the rod is $\displaystyle \mathrm{a}=\frac{\sqrt{3}}{2} \mathrm{~L}$.
Official answer
(4)
$\displaystyle \frac{\mathrm{Q}}{2 \sqrt{3} \pi \varepsilon_0 \mathrm{~L}^2}$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.