Physics · 2025
JEE Main · 7 April 2025, Shift 1 · Q35
An ac current is represented as i=5 √ 2 +10 cos (650 π t+(π)/6) A m p The r.m.s value of the current is
An ac current is represented as
$$i=5 \sqrt{2}+10 \cos \left(650 \pi t+\frac{\pi}{6}\right) A m p
$$
The r.m.s value of the current is
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 10 A m p$
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.