Physics · 2022
JEE Main · 30 June 2022, Shift 1 · Q57
A series LCR circuit with R =250/11 Ω and X_L =70/11 Ω is connected across a 220 V, 50 Hz supply. The value of capacitance needed to maximize the…
A series LCR circuit with $\displaystyle \mathrm{R}=\frac{250}{11} \Omega$ and $\displaystyle \mathrm{X}_{\mathrm{L}}=\frac{70}{11} \Omega$ is connected across a $\displaystyle 220 \mathrm{~V}, 50 \mathrm{~Hz}$ supply. The value of capacitance needed to maximize the average power of the circuit will be \_\_\_\_ $\displaystyle \mu \mathrm{F} . \quad\left(\right.$ Take : $\displaystyle \left.\pi=\frac{22}{7}\right)$
Official answer
500
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.