Physics · 2026
JEE Main · 28 January 2026, Shift 1 · Q39
Three long straight wires carrying current are arranged mutually parallel as shown in the figure. The force experienced by 15 cm length of wire Q is…
Three long straight wires carrying current are arranged mutually parallel as shown in the figure. The force experienced by $\displaystyle 15$ cm length of wire $\displaystyle Q$ is $\displaystyle \_\_\_\_$.
$$\left(\mu_{\mathrm{o}}=4 \pi \times 10^{-7} \mathrm{~T} \cdot \mathrm{~m} / \mathrm{A}\right)
$$
$$\left(\mu_{\mathrm{o}}=4 \pi \times 10^{-7} \mathrm{~T} \cdot \mathrm{~m} / \mathrm{A}\right)
$$Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 6 \times 10^{-6} \mathrm{~N}$ towards $\displaystyle R$
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.