Physics · 2022
JEE Main · 24 June 2022, Shift 1 · Q41
A resistance of 40 Ω is connected to a source of alternating current rated 220 V, 50 Hz. Find the time taken by the current to change from its…
A resistance of $\displaystyle 40 \Omega$ is connected to a source of alternating current rated $\displaystyle 220 \mathrm{~V}, 50 \mathrm{~Hz}$. Find the time taken by the current to change from its maximum value to the rms value :
Official answer
(1)
2.$\displaystyle 5$ ms
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.