Physics · 2025
JEE Main · 28 January 2025, Shift 1 · Q39
Three infinitely long wires with linear charge density λ are placed along the x -axis, y -axis and z - axis respectively. Which of the following…
Three infinitely long wires with linear charge density $\displaystyle \lambda$ are placed along the $\displaystyle x$-axis, $\displaystyle y$-axis and $\displaystyle z$ - axis respectively. Which of the following denotes an equipotential surface?
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle \left(x^2+y^2\right)\left(y^2+z^2\right)\left(z^2+x^2\right)=\text { constant }$
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.