Physics · 2026
JEE Main · 28 January 2026, Shift 1 · Q38
The electric current in the circuit is given as i=i_o (t / T). The r.m.s current for the period t=0 to t=T is ____.
The electric current in the circuit is given as $\displaystyle i=i_{\mathrm{o}}(t / T)$. The r.m.s current for the period $\displaystyle t=0$ to $\displaystyle t=T$ is $\displaystyle \_\_\_\_$.
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle \frac{i_o}{\sqrt{3}}$
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.