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JEE Main 2013 (9 Apr, Shift 1) · Series LCR Circuit

Series LCR Circuit question from JEE Main 2013 (9 Apr, Shift 1)

Q59JEE Main 2013 · 9 APR · SHIFT 1Medium

Series LCR Circuit

In the circuit shown here, the voltage across L and C are respectively 300 V and 400 V. The voltage E of the ac source is:

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Answer: (c)

Pure L–C series: $V_L$ and $V_C$ are $180^\circ$ out of phase.
$E = |V_C - V_L| = |400 - 300| = 100$ V
So the answer is (c) 100 V.

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