Physics · 2022
JEE Main · 28 July 2022, Shift 1 · Q54
The frequencies at which the current amplitude in an LCR series circuit becomes 1/(√ 2) times its maximum value, are 212 rad s^-1 and 232 rad s^-1.…
The frequencies at which the current amplitude in an LCR series circuit becomes $\displaystyle \frac{1}{\sqrt{2}}$ times its maximum value, are $\displaystyle 212 \mathrm{rad} \mathrm{s}^{-1}$ and $\displaystyle 232 \mathrm{rad} \mathrm{s}^{-1}$. The value of resistance in the circuit is $\displaystyle \mathrm{R}=5 \Omega$. The self inductance in the circuit is \_\_\_\_ mH.
Official answer
250
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.